Michael Landon (born Eugene Maurice Orowitz)
(October 31, 1936 – July 1, 1991)

Landon played notable roles on the television shows, Bonanza on
NBC (1959-1973), Little House on the Prairie (NBC,1974-1983),
and Highway to Heaven on NBC. He appeared on the cover of TV
Guide a total of 22 times, second only to Lucille Ball.
 

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

The Twentieth Century was a documentary television program, sponsored by
the Prudential Insurance Company, which ran on the CBS network from 20
October 1957 until 4 January 1970. It was hosted by Walter Cronkite.

Walter Leland Cronkite, Jr. (November 4, 1916 – July 17, 2009)

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.
 

Camille Bohannon

James Maury "Jim" Henson  (September 24, 1936 – May 16, 1990)

Henson created puppets for a children’s show on local TV called The Junior
Morning Show. Another early show was Sam and Friends, which featured
prototypes of The Muppets. He was honored on the Hollywood Walk of
Fame as both himself and Kermit the Frog.