Ejnar Hertzsprung
Ejnar Hertzsprung was born on October 8, 1873. See ranking, bio blurb, and everyone else born that day.
About Ejnar Hertzsprung
Ejnar Hertzsprung (Danish: [ˈɑjnɐ ˈhɛɐ̯tsˌpʁɔŋ]; 8 October 1873 – 21 October 1967) was a Danish chemist and astronomer. He is best remembered for his role in developing the Hertzsprung–Russell diagram of stars.