Easley Blackwood Jr. as "Introducing Easley Blackwood". His father, Easley Blackwood Sr., was a noted contract bridge player and writer. Easley Blackwood Jr. Easley Blackwood (born April 21, 1933) is an American professor of music, a concert pianist, a composer of music, some using unusual tunings, and the author of books on music theory, including his research into the properties of microtonal tunings and traditional harmony. Blackwood was born in Indianapolis, Indiana. He studied piano there and was doing solo appearances at the age of 14 with the Indianapolis Symphony Orchestra. After studies at many places (including Yale University, where he earned his
Atlas E/F The OIS upper stage was used for two Atlas E/F launches in 1979 and 1985, with the Solwind and Geosat spacecraft respectively. The rocket could place into low Earth orbit. The Atlas E/F was used between 1968 and 1971 to launch four groups of OV1 satellites, using OV1 upper stages. Each payload had its own upper stage. Three of the launches carried two OV1 satellites, and one carried three. Two of the launches also carried secondary payloads. In this configuration, the rocket could place into LEO. The PTS was used to launch the NTS-1 satellite on 14 July 1974. The