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Glenn L. Martin was a true aviation pioneer — aircraft designer, manufacturer, and founder of what later became Martin Marietta and ultimately part of Lockheed Martin. His first solo flight was in 1909.
He was an early American aviation pioneer. He designed and built his own aircraft and was an active pilot, as well as an aviation record-holder for over water flight. . He founded an aircraft company in 1912 which through several mergers amalgamated into what is today known as Lockheed Martin.
On May 10, 1912, Martin flew a self-built seaplane from Newport Bay, California to Avalon on Catalina Island, then back across the channel. This broke the earlier English Channel record for over-water flight. Martin's total distance was 68 miles (109 km), with the Newport-Avalon leg taking 37 minutes.[5] He picked up a bag of mail on the island on the way, and was presented with $100 ($2600 in 2019) prize for his achievement.This autograph was collected by San Diego City Clerk Allen Wright in the 1930s. Like all autographs I offer, it is guaranteed authentic.