- Dave Freudenthal
David Duane "Dave" Freudenthal (born October 12, 1950) is an American politician from the U.S. state of Wyoming. A Democrat, Freudenthal is currently the governor of Wyoming, having been re-elected to a second term on 7 November, 2006. Freudenthal was born in Thermopolis, Wyoming, the seventh of eight children, and grew up on a farm north of town. He graduated from Amherst College in 1973 with a bachelor's degree in economics. - Friedrich Mohs
Friedrich Mohs (January 29, 1773 - September 29, 1839) was a German geologist/mineralogist. Mohs, born in Gernrode, Germany, studied chemistry, mathematics and physics at the University of Halle and also studied at the Mining Academy in Freiberg, Saxony. After assuming the position of a foreman at a mine in 1801, Mohs moved in 1802 to Austria, where he was employed in trying to identify the minerals in a private collection of a Banker. - Joel Fuhrman
Joel Fuhrman is an American family medicine physician and author. He maintains a medical practice in Flemington, New Jersey, and specializes in treating some major illnesses through nutrition and changes in diet. - Benjamin Silliman
Benjamin Silliman (8 August 1779 - 24 November 1864) was an American chemist, one of the first American professors of science (at Yale University), and the first to distill petroleum. - Richard Trevithick
Richard Trevithick was a British inventor, engineer and builder of the first working railway steam locomotive. He was born at Tregajorran (in the parish of Illogan), between Camborne and Redruth, in the heart of one of the rich mineral (former) mining areas of Cornwall, United Kingdom. He died on 22 April 1833 at Dartford, Kent. - Arthur Holmes
Arthur Holmes (January 14 1890 - September 20 1965) was a British geologist. As a child he lived in Low Fell, Gateshead. He performed the first uranium-lead radiometric dating specifically designed to measure the age of a rock during his undergraduate studies. His result was 370 Ma for a Devonian rock from Norway. He graduated in 1910, and the result was published 1911, after he already travelled to Mozambique for six months to prospect for minerals. - Roger Tory Peterson
Roger Tory Peterson, was an American naturalist, ornithologist, artist, and educator, and held to be one of the founding inspirations for the 20th century environmental movement. Peterson was born in Jamestown, New York. After graduating from high school‚ Peterson moved to New York City‚ where he attended the Art Students League (1927-1928) and the National Academy of Design (1929-1931). He then taught science and art at the Rivers School in Brookline, Massachusetts. - John Woodward
John Woodward (May 1, 1665 - April 25, 1728) was an English naturalist and geologist. Woodward was born in Derbyshire. At the age of sixteen he went to London, where he studied with Dr Peter Barwick, physician to Charles II. In 1692 he was appointed professor of physic in Gresham College. In 1693 he was elected a fellow of the Royal Society, in 1695 was made M.D. by Archbishop Tenison and also by Cambridge, and in 1702 became a fellow of the Royal College of Physicians. - Jan Scholten
Jan Scholten (born, 1951, Helmond, Netherlands) is an Author and Researcher in the field of Homeopathy. Scholten received an MD degree in 1983 and started a classical homeopathic practice in 1985. He is best known for his theories and observations concerning the use of mineral and element families in homeopathy. He is the president of Stichting Alonissos foundation for the promotion of homeopathy and affilliated with the Stichting Homeopathische Opleidingen, or SHO, … - William Gregor
William Gregor (25 December 1761 - 11 June 1817) was the English clergyman and mineralogist who discovered the elemental metal titanium. - Thomas Thomson
Thomas Thomson was a Scottish chemist. Born Crieff, Perthshire, he was educated at the University of St. Andrews in classics, mathematics and natural philosophy. He went on to graduate in medicine from the University of Edinburgh in 1799. However, he was inspired by Joseph Black to take up chemistry. In 1796, he succeeded his brother James as assistant editor of the "Supplement to the Third Edition of the Encyclopædia Britannica", … - Frater Albertus
Frater Albertus Spagyricus (1911–1984); founder of the Paracelsus Research Society in Salt Lake City, which later evolved into the Paracelsus College. Based on the Paracelsian concept of three essentials, Body, Soul and Spirit, Frater Albertus developed a system of teaching alchemical concepts using the spagyric technique of separation and cohobation. The unique gradated courses allowed students to explore aspects of the vegetable, … - Axel Fredrik Cronstedt
Baron Axel Fredrik Cronstedt (1722 - 1765) was a Swedish chemist who discovered nickel in 1751. He described it as "kupfernickel" (the devil's copper). He was a pupil of Georg Brandt, the discoverer of cobalt. Nickel is also used in coins, such as the Canadian nickel. Cronstedt also discovered the mineral scheelite in 1751. He named the mineral tungsten, meaning heavy stone in Swedish. - Thomas Webster
Thomas Webster, Scottish geologist, was born in Orkney, and was educated at Aberdeen. He subsequently went to London and studied architecture, the Royal Institution in Albemarle Street being built from his design. In 1826 he was appointed house-secretary and curator to the Geological Society of London, and for many years he rendered important services in editing and illustrating the "Transactions" of the Society. - Norman L. Bowen
Norman Levi Bowen was born in Kingston, Ontario, Canada June 21, 1887 and died on September 11, 1956. Bowen "revolutionized experimental petrology and our understanding of mineral crystallization. Beginning geology students are familiar with his "reaction series" depicting how different minerals crystallize under varying pressures and temperatures." (Chamot) Bowen conducted experimental research at the Geophysical Laboratory, … - Johan August Arfwedson
Johan August Arfwedson (January 12, 1792 - October 28, 1841), Swedish chemist and the discoverer of lithium (1817). Arfwedson belonged to a wealthy bourgeois family, the son of the wholesale merchant and factory owner Jacob Arfwedson and his spouse Anna Elisabeth Holtermann. He matriculated as a student at the University of Uppsala in 1803 (at the time, matriculating at a young age was common for aristocratic and wealthy students), … - Thomas Pennant
Thomas Pennant (June 14, 1726 - December 16, 1798) was a Welsh naturalist and antiquary. The Pennants were a Welsh gentry family from the parish of Whitford, Flintshire, who had built up a modest estate at Bychton by the seventeenth century. In 1724 Thomas' father, David Pennant, also inherited the neighbouring Downing estate from a cousin, considerably augmenting the family's fortune. Downing Hall, where Thomas was born in the 'yellow room', … - John Joly
John Joly (November 1 1857 - December 8 1933) was an Irish scientist, possibly most famous for his development of radiotherapy in the treatment of cancer. He is also known for developing techniques to accurately estimate the age of a geological period, based on radioactive elements present in minerals. Joly was born in Holywood House, Bracknagh, County Offaly, Ireland. - Wilhelm Hisinger
Wilhelm Hisinger was a Swedish chemist who in 1807, working in coordination with Jöns Jakob Berzelius, noted that in electrolysis any given substance always went to the same pole, and that substances attracted to the same pole had other properties in common. This showed that there was at least a qualitative correlation between the chemical and electrical natures of bodies. In 1803, in separate laboratories, Martin Heinrich Klaproth in one, … - William Hallowes Miller
William Hallowes Miller (April 6, 1801 - May 20, 1880), British mineralogist and crystallographer, was born at Velindre near Llandovery, Carmarthenshire. The mineral known as millerite is named after him. He was educated at St John's College, Cambridge, where he graduated in 1826 as fifth wrangler, and became a fellow in 1829. For a few years he was occupied as a college tutor and during this time he published treatises on hydrostatics and hydrodynamics. - William Borlase
William Borlase (February 2, 1695 - August 31, 1772), English antiquary and naturalist, was born at Pendeen in Cornwall, of an ancient family. He was educated at Exeter College, Oxford and in 1719 he was ordained. In 1722 he was presented to the rectory of Ludgvan, and in 1732 he obtained in addition the vicarage of St Just, his native parish. In the parish of Ludgvan were rich copper works, abounding with mineral and metallic fossils, of which he made a collection, … - T. H. Clark
Thomas Henry Clark, Ph.D., FRSC (December 3 1893 – April 28 1996) was a Canadian geologist who is considered to have been one of the nation's top scientists of the 20th century. He was a professor who authored over 100 scientific publications. After his death, a mineral was named in his honour. Clark was born in London, England. He emigrated to the United States and attended Harvard University. - Jean-Étienne Guettard
Jean-Étienne Guettard, French naturalist and mineralogist, was born at Etampes. In boyhood, he gained a knowledge of plants from his grandfather, who was an apothecary, and later he qualified as a doctor in medicine. Pursuing the study of botany in various parts of France and other countries, he began to take notice of the relation between the distribution of plants and the soils and subsoils. In this way his attention came to be directed to minerals and rocks. - Bartholomeus Anglicus
Bartholomeus Anglicus (Bartholomew of England) (born before 1203 - died 1272) was an early 13th century scholastic scholar of Paris, a member of the Franciscan order. He was the author of <cite>On the Properties of Things (De proprietatibus rerum)</cite>, dated at 1240, an early forerunner of the encyclopedia. Anglicus also held senior positions within the church and was appointed Bishop of Lukow although he wasn't consecrated in that position. - El Pípila
"El Pípila" is the nickname of a local hero of the city Guanajuato in Mexico. His real name was Juan José de los Reyes Martínez (1782-1863). The name is also given to a monument built in his honor in the same city. "Pípila" is the Mexican Spanish word for the female turkey. "Pípila" was a miner. He came from the nearby town of San Miguel de Allende and worked in the Mellado mine. - Susan Kieffer
Susan Elizabeth Werner Kieffer (born November 17, 1942 in Warren, Pennsylvania) is an American physical geologist and planetary scientist. Kieffer is known for her work on the fluid dynamics of volcanoes, geysers, and rivers, and for her model of the thermodynamic properties of complex minerals. She has also contributed to the scientific understanding of meteorite impacts. - Otto Wilhelm Hermann von Abich
Otto Wilhelm Hermann von Abich (December 11, 1806 - July 1, 1886) was a German mineralogist and geologist. He was born at Berlin and educated at the local university. His earliest scientific work is related to spinels and other minerals. Later he made special studies of fumaroles, of the mineral deposits around volcanic vents, and of the structure of volcanoes. In 1842 he was appointed professor of mineralogy in the university of Dorpat (Tartu), … - Walter Frederick Ferrier
Walter Frederick Ferrier was a Canadian geologist and mining engineer. He graduated form McGill University’s school of mining engineering. He was a tireless mineral collector and was known for walking straight into mining offices to request specimens. Consequently, he amassed large collections of mineral specimens of a quality still admired to this day. Many classic specimens would never be in collections today had it not been for his effort and skill. - Frank Rutley
Frank Rutley (1842-1904), English geologist and petrographer, was born at Dover on the 14th of May 1842. He was educated partly at Bonn, but his interest in geology was kindled at the Royal School of Mines, where he studied from 1862-64; he then joined the army, and served as lieutenant until 1867, when he became an Assistant Geologist on the Geological Survey. Working then in the Lake district, he began to make a special study of rocks and rock-forming minerals, … - Nathaniel P. Hill
Nathaniel Peter Hill (February 18, 1832 - May 22, 1900) was a United States Senator from Colorado. Born in Montgomery, Orange County, New York, he attended Montgomery Academy and graduated from Brown University in 1856. He was an instructor and later professor of chemistry at Brown from 1856 to 1864; he traveled to Colorado in the spring of 1865 to investigate mineral resources. He spent a portion of 1865 and 1866 in Swansea, Wales and Freiburg, Saxony studying metallurgy, … - Charles Frederick Hartt
Charles Frederick Hartt (23 August 1840 in Fredericton, New Brunswick - 18 March 1878) was an Canadian-American geologist, paleontologist and naturalist who specialized in the geology of Brazil. In 1860, Hartt started to work as an assistant to Louis Agassiz (1807-1873) at the Museum of Comparative Zoology, Harvard University. In 1865 he accompanied Agassiz to Brazil in the so-called Thayer Expedition, … - Scipione Breislak
Scipione Breislak (1748-1826), Italian geologist of German parentage, was born at Rome in 1748. He early distinguished himself as professor of mathematical and mechanical philosophy in the college of Ragusa; but after residing there for several years he returned to his native city, where he became a professor in the Collegio Nazareno, and began to form the fine mineralogical cabinet in that institution. His leisure was dedicated to geological researches in the papal states. - Gerhard Vom Rath
Gerhard vom Rath (August 20, 1830 - April 23, 1888), was a German mineralogist, born at Dinsburg in Prussia. He was educated at Cologne, at Bonn University, and finally at Berlin, where he graduated Ph.D. in 1853. In 1856 he became assistant to Noggerath in the mineralogical museum at Bonn, and succeeded to the directorship in 1872. Meanwhile in 1863 he was appointed extraordinary professor of geology, … - Brian Harold Mason
Brian Harold Mason (b. 1917) is one of the pioneers in the study of meteorites. He has played a leading part in understanding the nature of the solar system through his studies of meteorites and lunar rocks. He has also examined and classified thousands of meteorites collected from Antarctica. Brian also wrote the seminal text book Principals of Geochemistry. Brian was born in Port Chalmers, Dunedin, in 1917 and was brought up in Christchurch, New Zealand. - Wolfgang Franz von Kobell
Wolfgang Xavier Franz Baron von Kobell was a German mineralogist. He was born in Munich, Bavaria and died there. Having studied mineralogy in Landshut, he became professor of mineralogy in 1826 at the University of Münich. In 1855 he invented the stauroscope for the study of the optical properties of crystals. Author of numerous scientific papers, he described many new minerals. The mineral Kobellite is named for him. Works: *"Charakteristik der Mineralien" (2 vols. - Alexander Fersman
Alexander Yevgenyevich Fersman (October 27 (N.S. November 8), 1883, Petersburg - May 20, 1945, Sochi) was a prominent Soviet geochemist and mineralogist, academician of the Soviet Academy of Sciences (1919). Alexander Fersman was awarded the Lenin Prize (1929), USSR State Prize (1942), Wollaston Medal of the Geological Society of London (1943), and Order of the Red Banner of Labor. - Harold von Braunhut
Harold Nathan Braunhut aka Harold von Braunhut (31 March 1926 - 28 November 2003) was an American mail-order marketer most famous as the creator and seller of Amazing Sea-Monkeys. He was also an inventor, and promoted extreme right-wing beliefs. Harold von Braunhut was born in Memphis, Tennessee on 31 March 1926. Von Braunhut grew up in New York City and resided there until the 1980s when he moved to Maryland. - Henry C. Gunning
Henry Cecil Gunning PhD FRSC (1901 - 1991) was a Canadian geologist and academic. A mineral was named in his honour. - Antoine Lacroix
Antoine François Alfred Lacroix was a French mineralogist and geologist. He was born at Macon, Saône-et-Loire. He took the degree of D. s Sc. in Paris, 1889, as student of Ferdinand André Fouqué. Fouqué only agreed to the graduation if Lacroix would marry his daughter. In 1893 he was appointed professor of mineralogy at the Jardin des Plantes, Paris, and in 1896 director of the mineralogical laboratory in the École des Hautes Études. - Martin Julian Buerger
Martin Julian Buerger (April 8, 1903-February 26, 1986) was an American crystallographer. He was a Professor of Mineralogy at the Massachusetts Institute of Technology. He invented the X-ray precession camera for studies in crystallography. He was awarded the Arthur L. Day Medal by the Geological Society of America in 1951. The mineral buergerite was named for him.
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