Fitch, Walter M.

Scope and Contents From the Series: The Correspondence series consists of incoming and outgoing handwritten and typed letters, carbons, postcards, faxes, and telegrams generated during Sydney Brenner's career. The bulk of this series covers the late 1940s to the 2000s. Correspondents include over 30 Nobel laureates, as well as biochemists, geneticists, students, publishers, and others. Highlights of the collection include the correspondence from Francis Crick, with whom Brenner shared an office for 20 years. Topics covered...

Scope and Contents The meeting Molecular Clocks of Evolution discussed how a considerable amount of data has been produced using differences in DNA between different species to measure the relatedness of species. Some of the data obtained using DNA as a molecular clock have required radical revision of previously accepted taxonomic relationships, and the purpose of this meeting was to examine whether the assumptions underlying the use of molecular clocks are justified. Data was presented with time scales...