He did his undergraduate work in X-Ray astronomy at the Massachusetts Institute of Technology, getting a B.S. in Physics in 1982. He then went to grad. school at the University of Hawaii, getting a Ph.D. in Astronomy in 1987 with a dissertation on Halley’s comet. He has probably seen more of that comet than anyone else in the human race. After postdocs at Goddard Spaceflight Center and the University of Texas, he worked at Space Telescope Science Institute for nine years, becoming known as “Mr. Moving Targets”. He started at Towson University in the fall of 2000 and got tenure in 2004. He is director of both the Watson-King Planetarium and the Observatory at Towson Univeristy.