Wilbur R. Franks

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Wilbur Franks

Wilbur Rounding Franks, OBE (March 4, 1901 – January 4, 1986) was a Canadian scientist, notable as the inventor of the anti-gravity suit or G-suit, and for his work in cancer research.


He was born in Weston, Ontario and was a medical graduate at the University of Toronto. As a cancer researcher at the Banting and Best Medical Research Institute at University of Toronto, Franks developed an idea that resulted in the world's first anti-gravity suit or G-suit. Franks had noted that his test tubes often broke when subjected to severe centrifugal force. He had solved the problem by first inserting them into larger and stronger liquid-filled bottles.

In 1940, the anti gravity suit was developed under the name Franks Flying Suit by Wilbur R. Franks and his colleagues at the Banting and Best Medical Research Institute at the University of Toronto. The suit was made with rubber and water-filled pads. It counteracted the effects of high G forces on aircraft pilots, which otherwise would cause them to black out. These suits were used during World War II and all G-Suits worn by air force pilots as well as astronauts and cosmonauts around the world are based on his original designs. When testing his first prototype, Franks stated:

"The suit had been cut to fit me perfectly, standing up. . . . In the airplane I was sitting down, and when the pressure hit I thought it was going to cut me in two. The idea became practical only when we realized that great areas of the body could be left outside the fluid system."

In 1941 fellow Canadian scientist, Dr. Sir Frederick Banting, co-discoverer of insulin, died in a plane crash near Musgrave Harbour, Canada while on his way to England to assist Franks in the testing of the suit.[1]

Recognition and awards[edit]

Wilbur Franks received an OBE for his work in early 1944 for giving "the Allied forces a tremendous tactical advantage" and "saving the lives of thousands of Allied fighter pilots." With this invention, over five times more pilots survived than they would've without the G-suit.[citation needed] In 1984, Franks was inducted into Canada's Aviation Hall of Fame. Franks work was also noticed in the United States where he was awarded the Legion of Merit, the Theodore C. Lyster Award and the Eric Lilencrantz Award.


There is a Wilbur R. Franks Award that is given by the Canadian Society of Aviation Medicine for contributions to aviation medicine.


  1. ^ "1941: Sir Frederick Banting dies in plane crash". CBS Archive. Retrieved 20 March 2014.

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