Harrison Harry Pettit
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Spouse
Mary Winona Plaster
Mary Winona Plaster
1889 - 1963
Children

1909


Apr 11
Age: 21y

1911


Apr 30
Age: 23y
1911 Mexican Revolution: Francisco I. Madero's troops besiege Ciudad Juárez but General Juan J. Navarro refuses his surrender demand.

1961


Jun 28
Age: 73y
1961 Heinrich Matthaei alone performs the Poly-U-Experiment and is the first human to recognize and understand the genetic code. This is the birthdate of modern genetics.Hans-Jörg Rheinberger, "Experimentalsysteme – Eine Geschichte der Proteinsynthese im Reagenzglas" Wallstein ISBN 3-89244-454-4

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