Sylvester "Pat" Weaver (December 21, 1908 - March 17, 2002) was the father of actress Sigourney Weaver. He was president of NBC between 1953 and 1955. December 21 is the 355th day of the year (356th in leap years) in the Gregorian Calendar. ... 1908 is a leap year starting on Wednesday (link will take you to calendar). ... March 17 is the 76th day of the year in the Gregorian Calendar (77th in Leap years). ... 2002 is a common year starting on Tuesday of the Gregorian calendar. ... Sigourney Weaver Susan Alexandra Sigourney Weaver (born October 8, 1949 in New York, New York) is an American actress perhaps best known for her portrayal of Ripley in Alien (1979) and its sequels. ... The National Broadcasting Company or NBC is an American radio and television broadcasting company based in New York Citys Rockefeller Center. ... 1953 is a common year starting on Thursday. ... 1955 is a common year starting on Saturday of the Gregorian calendar. ...

He created The Today Show in 1952 and also gave NBC The Tonight Show in 1954, the latter a national version of Steve Allen's local program on what is now WNBC-TV. Today (commonly referred to as The Today Show) is a morning news and talk show airing on the NBC television network in the United States. ... 1952 was a leap year starting on Tuesday (link will take you to calendar). ... The Tonight Show is NBCs long-running late-night talk and variety show, currently hosted by Jay Leno in Los Angeles. ... 1954 was a common year starting on Friday of the Gregorian calendar. ... Steve Allen on the cover of Steve Allen on the Bible, Religion, and Morality Stephen Valentine Patrick William Allen (December 26, 1921 – October 30, 2000) was a musician, comedian and writer, who was instrumental in innovating the concept of the television talk show. ... WNBC-TV (NBC4) is the flagship TV station of the NBC television network, with studios located in Rockefeller Center in Manhattan. ...

Weaver also introduced the practice by networks of producing television content, then selling advertising time during the broadcasts. Prior to that, advertisers produced the content.