David Rittenberg (November 11, 1906 - January 24, 1970) was a U.S. biochemist who pioneered the radioactive "tagging" of molecules, enabling detailed studies of metabolism. These studies resulted in a change in the prevailing scientific dogma, from a static, 'wear and tear' view of metabolic processes, to a dynamic theory in which constant and rapid build up and degradation of body constituents takes place. Wikipedia
David Rittenberg WAS A leader in the development of the isotopic tracer technique for the study of biochemical reactions in intermediary metabolism. In a brief but historic paper published in Science in 1935, Rittenberg and Rudolph Schoenheimer described www.nap.edu/readingroom/books/biomems/drittenberg.html
The definitive Wikipedia entry for David Rittenberg. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/David_Rittenberg
