The twenty most influential scientists and thinkers of the 20th century.

History of Genetics Timeline Jo Ann Lane 1994 Woodrow Wilson Collection As scientists sought to understand more about the nature of inheritance of traits, hereditary processes were explained in ever increasing detail beginning at the populational level and going toward the molecular level. Keeping this fact in mind will help in understanding the timeline which follows. Year Scientist(s) ...

The Nobel Prize Internet Archive's Exclusive: Interview with Prof. Lederberg, Winner of the 1958 Nobel Prize in Physiology and Medicine conducted by Lev Pevzner March 20, 1996 Lev Pevzner - You were born in New Jersey. Where were your parents born Prof. Joshua Lederberg - In Israel. They came to the US in 1924. LP - Did they settle down and find jobs here right away JL - Well, I don't really ...

Chargaff's four rules on DNA base composition are now shown to be fundamental to the understanding of the structure and function of DNA and the transmission of two levels of genetic information from generation to generation ...

THE EMBRYOLOGICAL ORIGINS OF THE GENE THEORY Scott F. Gilbert Adapted from two articles: The Embryological Origins of the Gene Theory, Journal of the History of Biology 11 (Fall, 1978), pp. 307 -351. In Friendly Disagreement: Wilson, Morgan, and the Embryological Origins of the Gene Theory, American Zoologist27 (1987): 797 - 806. The original support for the gene theory of inheritance came ...

The History of Drosophila Genetics Sturtevant and Dobzhansky: Two Scientists at Odds E. Novitski discusses some of the personal characteristics of A. H. Sturtevant and Th. Dobzhansky and the differences that contributed to their scientific estrangement. The Stages of Meiosis The stages of meiosis, where the chromosome number is halved in the production of the sperm and eggs, are graphically ...