| |  | Joseph Decaisne was a French botanist and agronomist. Although he was born in Brussels, Belgium, he exercised his activity exclusively in Paris. He... |  | Asa Gray (November 18, 1810 - January 30,1888) is considered the most important American botanist of the 19th century. He was instrumental in... |  | Robert Brown (December 21, 1773-June 10, 1858) is acknowledged as the leading British botanist to collect in Australia during the first half of... |  | Sir Francis "Frank" Darwin, F.R.S. (August 16 1848 - 19 September 1925), a son of the British naturalist Charles Darwin, followed his father into... |  | Hermann Müller was a Swiss botanist and oenologist from the canton of Thurgau in Switzerland. During his time working for the Geisenheim Grape B... | | | Hermann Müller, German botanist who provided important evidence for Darwin's theory of evolution. He was the author in 1873 of "Die Befruchtung d... |  | Sir William Jackson Hooker, FRS (July 6, 1785 – August 12, 1865) was an English botanist. |  | James Sowerby (March 21, 1757 - October 25, 1822) was a British naturalist and illustrator. Contributions to published works, such as "A Specimen... |  | Oswald Heer (August 31, 1809 - September 27, 1883), Swiss geologist and naturalist, was born at Niederuzwil in Canton of St. Gallen. He was... |  | William Turner was a British ornithologist and botanist. He is sometimes called "the father of English botany" and the first ornithologist in the... | |
