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Timeline

By 789316

  • 1925

    1925
    Clarence Birdseye and Charles Seabrook made such thing called frozen food preservation
  • Period: to

    1925

    Clarence Birdseye created such things to preserve foods called "Frozen Foods"

  • 1932

    1932
    Ernst Ruska envented the electronic microscope

  • 1935

    1935
    Wallace Carothers made nylon

  • 1954

    1954
    Jonas Salk made the polio vaccine

  • 1972

    1972
    In 1972 Godfrey Hounsfield and Allan Cromack made the CAT scan.