Mitochondrial DNA
Mitochondrial DNA was discovered in the 1960s by Margit M. K. Nass and Sylvan Nass by electron microscopy as DNase-sensitive threads inside mitochondria, and by Ellen Haslbrunner, Hans Tuppy and Gottfried Schatz by biochemical assays on highly purified mitochondrial fractions.
Susan Hockfield
Following a postdoctoral fellowship at the University of California, San Francisco, Hockfield joined the staff of the Cold Spring Harbor Laboratory in 1980: she was hired by James Watson, who, with Francis Crick had discovered the structure of DNA.