The North American Astrophysical Observatory (NAAPO)
Columbus, Ohio

NAAPO operated the Ohio State University Radio Observatory (Big Ear) from 1983 through its demolition in 1997. NAAPO now operates the Ohio Argus Array. From left: Tom Hanson, Russ Childers, Bruce Lerner, and Angelo Campanella. Many other NAAPO members are not shown. (Photo credit: Lee Edwards)