Melvin Ellis Calvin was an American biochemist known for discovering the Calvin cycle along with Andrew Benson and James Bassham. He was awarded the 1961 Nobel Prize in Chemistry "for his research on the carbon dioxide assimilation in plants".
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Also born on April 8
Actor
1966 · United States
Robin Gayle Wright is an American actress, producer and director. She has received accolades including a Golden Globe Award, and nominations for eight Primetime Emmy Awards.
Georges Biard, CC BY-SA 3.0, via Wikimedia Commons
Actor
1968 · United States
Patricia Arquette is an American actress. Known for her roles on film and television, she has received an Academy Award, a BAFTA Award, two Primetime Emmy Awards, three Golden Globe Awards, and two Screen Actors Guild Awards.
Ibsan73, CC BY 2.0, via Wikimedia Commons
Entrepreneur
1974–2013 · United States
Christopher Scott Kyle was a United States Navy SEAL sniper and author. Kyle served four tours in the Iraq War and was awarded the Global War on Terrorism Service Medal, National Defense Service Medal, and a Combat Action Ribbon.
Cpl. Damien Gutierrez, Public domain, via Wikimedia Commons
Politician
1938–2018 · Ghana
Kofi Atta Annan was a Ghanaian diplomat and statesman who served as the seventh secretary-general of the United Nations from 1997 to 2006. Annan and the UN were the co-recipients of the 2001 Nobel Peace Prize.
US Mission in Geneva, Public domain, via Wikimedia Commons
Scientist
1904–1989 · United Kingdom
Sir John Richard Hicks was a British economist. He is considered one of the most important and influential economists of the twentieth century.
Unknown (Associated Press), Public domain, via Wikimedia Commons
Founder · Istanbul University
1432–1481
Mehmed II, commonly known as Mehmed the Conqueror, was the sultan of the Ottoman Empire twice, from August 1444 to September 1446 and again from February 1451 to May 1481.
16th century artist, Public domain, via Wikimedia Commons