CalendarZ

    • English English
    • español español
    • français français
    • português português
    • русский русский
    • العربية العربية
    • 简体中文 简体中文
  • Home
  • Religious Holidays
  • National Holidays
  • Other Days
  • On This Day
  • Tools
    • Date converter
    • Age Calculator
  1. Home
  2. On This Day
  3. August
  4. 12
  5. James B. Sumner

Deaths on August 12

James B. Sumner
1955Aug, 12

James B. Sumner

James B. Sumner, American chemist and academic, Nobel Prize laureate (b. 1887)
James Batcheller Sumner (November 19, 1887 – August 12, 1955) was an American chemist. He discovered that enzymes can be crystallized, for which he shared the Nobel Prize in Chemistry in 1946 with John Howard Northrop and Wendell Meredith Stanley. He was also the first to prove that enzymes are proteins.

References

  • James B. Sumner
  • Nobel Prize in Chemistry

Choose Another Date

Events on 1955

  • 7Jan

    Metropolitan Opera

    Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera.
  • 13Feb

    Dead Sea Scrolls

    Israel obtains four of the seven Dead Sea Scrolls.
  • 18Feb

    Nevada Test Site

    Operation Teapot: Teapot test shot "Wasp" is successfully detonated at the Nevada Test Site with a yield of 1.2 kilotons. Wasp is the first of fourteen shots in the Teapot series.
  • 14May

    Warsaw Pact

    Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.
  • 23Oct

    State of Vietnam referendum, 1955

    Prime Minister Ngô Đình Diệm defeats former emperor Bảo Đại in a referendum and founds the Republic of Vietnam.

About CalendarZ

CalendarZ

In addition of showing the dates of significant holidays and events; CalendarZ enables you easily check out the time remaining to a certain date and all other details.

Our Partners

WoWDeals : All Deals in One Place

Quick Navigation

  • Home
  • Upcoming Holidays
  • Religious Holidays
  • National Holidays
  • Other Days
  • Blog
  • Age Calculator
  • On This Day

© 2025 CalendarZ. All Rights Reserved. Contact Us / Privacy Policy

English   |   español   |   français   |   português   |   русский   |   العربية   |   简体中文