Biochemist Melvin Calvin was born on April 8, 1911, in St. Paul, Minnesota. He earned the 1961 Nobel Prize for Chemistry for his discover of the Calvin cycle – the conversion of carbon dioxide into organic molecules during photosynthesis.
Naturalist and artist Maria Sibylla Merian was born on April 2, 1647, in Frankfurt-am-Main, Germany. Merian spent her life studying insects and plants and capturing them in beautifully detailed paintings and drawings.
On March 16, 1926, Robert H. Goddard launched his first liquid-fueled rocket in Auburn, Massachusetts. Though his work went largely unrecognized during his lifetime, today he’s known as the father modern rocketry.
Horticulturalist Liberty Hyde Bailey was born on March 15, 1858, in South Haven, Michigan. The gardening and horticulture stamp issued for Bailey’s centennial birthday also marked a significant US postal first!
Doctor and research scientist Alice Hamilton was born on February 27, 1869, in Manhattan, New York. Hamilton was a pioneer in the fields of occupational health and industrial toxicology. Her extensive research and thorough reports helped improve working conditions across America.
By the time Carlson was eight years old, both of his parents were sick, which left him responsible with working to support the family. In his teens, he would work two or three hours before school, and then several more hours after classes finished for the day.
Anthropologist Margaret Mead was born on December 16, 1901, in Philadelphia, Pennsylvania.
On November 28, 1954, Nobel physicist Enrico Fermi died in Chicago, Illinois.
Arctic explorer Vilhjalmur Stefansson was born on November 3, 1879, in Manitoba, Canada.