Edgar Penzel (1921– ) founded the school observatory in Rodewisch Saxony, and directed it from 1950 to 1986. In 1957, the astronomers on the observatory’s staff were the first in Central Europe to watch the artificial Satellite Sputnik 1. The observatory was named for the first German astronaut, Sigmund Jähn, in 1979. (M 42367) _ _.