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The discovery of DNA focused scientists' efforts and led to the research into genetics and heredity aimed at improving life on Earth today. Identification of DNA DNA's discovery can be traced to 1868, when Swiss medical student Johann Friedrich Miescher began work on isolating proteins from white blood cells.
âIn the midst of this gloom and doom, Matt came in,â Stahl says. Meselson had finished his main research project and was ready to tackle Watson and Crick's hypothesis. Thus, Stahl changed his focus from bacteriophages to DNA replication.