Tim Maguire

John Herschel Glenn, Jr. turned 94 July 18.

Carlota Bradley

Eugene Wesley "Gene" Roddenberry
(August 19, 1921 – October 24, 1991)

Wally Schirra shown climbing from the Apollo 7 Command Module
into a recovery raft.

Apollo 7 was the first manned Apollo mission carried out by the U.S. and the 
first in which live television broadcasts were received from orbit. Wally Schirra,
Don Fulton Eisele and R. Walter Cunningham were the astronauts aboard.
 

Sigourney Weaver (born Susan Alexandra Weaver in New York)

She played the resourceful action hero Ellen Ripley in Alien (1979),
Aliens (1986), Alien 3 (1992), and Alien Resurrection (1997). She
also played Dana Barrett in Ghostbusters (1994) and Ghostbusters
II (1987) and Dr. Grace Augustine in Avatar (2009).