Donald Edward Osterbrock

Donald Edward Osterbrock (July 13, 1924 – January 11, 2007) was an American astronomer, best known for his work on star formation and on the history of astronomy.

Donald Edward Osterbrock

Donald Edward Osterbrock (July 13, 1924 – January 11, 2007) was an American astronomer, best known for his work on star formation and on the history of astronomy.