About the Author

Helmut A. Abt was editor-in-chief of The Astrophysical Journal from 1971-99. He is a staff scientist emeritus at the Kitt Peak National Observatory, Tucson, Arizona.

Chicago Manual of Style |

Free E-book Of The Month

Outside the Box

Hillary L. Chute

Outside the Box

Interviews with Contemporary Cartoonists

Get it for free!

About E-books

Twitter