On October 12, 1946, Quesada married Kate Davis Putnam, a war widow (her first husband was Capt. Henry Ware Putnam, who died in an air raid over Tokyo on May 25, 1945). She was a granddaughter of newspaper mogul
Joseph Pulitzer, and inherited part of his holdings. Mrs. Quesada had two daughters from her previous marriage; the Quesadas had two sons of their own: Thomas Ricardo Quesada and Peter Wickham Quesada. He served as an executive for
Lockheed Aircraft Corporation from 1953–55. In 1957, he became President
Dwight D. Eisenhower's Special Adviser for Aviation, leading to his appointment as the first administrator of the
Federal Aviation Administration (At that time a cabinet level agency known as the Federal Aviation Agency-FAA) from 1959–61. As FAA chairman, Quesada was instrumental, along with
American Airlines president
C. R. Smith, in passing a mandatory retirement age of 60 for commercial airline pilots. Smith had lobbied for this rule on the grounds that young pilots with experience serving in World War II and the Korean War would be cheap and easy to train for the new jetliners. Quesada agreed, but went even further to suggest that civilian pilots be barred entirely from jetliner cockpits. The age 60 rule went into effect in 1960 and remained in effect until 2007, although Quesada's proposal to limit jetliners to ex-military personnel was ignored along with an additional suggestion of his that jetliner training be limited to pilots under 55. C.R. Smith rewarded Quesada handsomely for his help; after the latter stepped down as FAA chairman in 1961, he was granted a seat on American Airlines' board of directors. Quesada became involved in professional sports when he became owner of the expansion
Washington Senators in 1961. Quesada sold his stake in the team two years later. He later became President and Chief Executive Officer of the L'Enfant Plaza Corporation, a private corporation that successfully partnered with the Federal government to develop
L'Enfant Plaza. He later became a member of the Temporary Commission on Pennsylvania Avenue, a precursor of the
Pennsylvania Avenue Development Corporation, which helped redevelop
Pennsylvania Avenue NW between the
White House and the
United States Capitol. Quesada, his wife, and their two sons were involved in a dispute with
Joseph Pulitzer III in 1986 over the control and value of the sons' shares in the
St. Louis Post-Dispatch. ==Death==