On This Date in Minnesota History: April 8

April 8, 1911 – “Melvin Calvin was born in St. Paul [on this date]. A biochemist, he discovered details about photosynthesis that earned him a Nobel Prize in Chemistry in 1961.”

http://www.thehistorypeople.com/data/docs/timeline-part2.pdf

Melvin Calvin receiving his Nobel Prize from His Majesty the
King Gustav VI Adolf of Sweden
at the Stockholm Concert Hall, December 10, 1961.

http://www.nobelprize.org/nobel_prizes/chemistry/laureates/1961/calvin-photo.html