Today is the birthday of Clara Immerwahr, born in 1870. Clara received a Ph.D. in chemistry, but due to female stereotypes of the time, she was able to do little of her own research. She married Fritz Haber and contributed much to his research with little of her own recognition. She committed suicide in 1915 due to his role in supervising chemical war gas weaponry.
Others born on this day were:
6/21/1805 Charles Jackson, chemist, polymath, brother in law of Ralph Waldo Emerson, made a geological exploration of Nova Scotia, he died in 1880 at age 75 after suffering a mental illness.
6/21/1863 Maximillian Wolf, astronomer, pioneer in the field of astrophotography, he died in 1932 at the age of 69.
6/21/1880 Arnold Gesell, psychologist, he died in 1961 at age 81.
6/21/1916 Herbert Friedman, astronomer, pioneer in the application of sounding rockets to solar physics, he died in 2000 at age 84.