Imad al-Din Khalil

Imad-ad-Dean Ahmad is a Ph.D. astronomer who has been actively involved in the issue of moonsightings and the Islamic calendar since the 1980's. Born in 1948 of Palestinian parents, Dr. Ahmad was raised in Pennsylvania. He graduated cum laude from Harvard in 1970 and in 1975 obtained a Ph.D. in astrophysics from the University of Arizona. Dr. Ahmad has done postdoctoral work in astronomy at Harvard, the University of Maryland, and under contract to Goddard Space Flight Center and for private firms. He is currently president of his own research firm, Imad-ad-Dean, Inc. (1998).