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.
Douglas C. Wallace
Douglas Cecil Wallace (born November 6, 1946) is a geneticist and evolutionary biologist at the University of Pennsylvania and the Children's Hospital of Philadelphia in Pennsylvania. He pioneered the use of human mitochondrial DNA as a molecular marker.