FEBRUARY 28
1953:Scientists James D. Watson and Francis H.C. Crick discover the double-helix structure of the human genetic molecule deoxyribonucleic acid, better known as DNA, at Cambridge University in England. Along with Maurice Wilkins, Watson and Crick will be awarded the 1962 Nobel Prize in Physiology or Medicine for their work on nucleic acids.
1933: Four days before his inauguration as president, Franklin D. Roosevelt announces the appointment of Frances Perkins as secretary of labor. Perkins will become the first female member of a presidential Cabinet.
1983: Set in the waning days of the Korean War, "Goodbye, Farewell and Amen," the final episode of the sitcom M*A*S*H, airs after 11 seasons. Nearly 106 million American television viewers watch the finale, a record finally surpassed more than a quarter century later by the two most recent Super Bowls.
1933: Four days before his inauguration as president, Franklin D. Roosevelt announces the appointment of Frances Perkins as secretary of labor. Perkins will become the first female member of a presidential Cabinet.
1983: Set in the waning days of the Korean War, "Goodbye, Farewell and Amen," the final episode of the sitcom M*A*S*H, airs after 11 seasons. Nearly 106 million American television viewers watch the finale, a record finally surpassed more than a quarter century later by the two most recent Super Bowls.
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