Arthur Upgren

Arthur Upgren is Professor of Astronomy at Wesleyan University and has been director of its Van Vleck Observatory. He is the author of Night Has a Thousand Eyes: A Naked-Eye Guide to the Sky, Its Science, and Lore.

Jurgen Stock has been on the faculty of Hamburg and Case-Western Reserve Universities. He has also been director of the Cerro Tololo Inter-American Observatory at La Serena, Chile, as well as founding director of CIDA, the Venezuelan National Observatory at Mérida.”