Clyde De Vinna was no ordinary cameraman — a decorated cinematographer (Academy Award winner for White Shadows in the South Seas in 1930) and an avid ham radio operator who routinely carried a portable transmitter on remote shoots. While on an 11‑month location slog in Alaska filming Warner Bros.' Eskimo (1933), De Vinna took up duty keeping the production linked with base camp. Working in a tiny shack that had been sealed against the subzero air, he heated the space with a gasoline heater; the heater quietly began poisoning the space with carbon monoxide. As De Vinna's hands slowed on the telegraph key and his transmissions faltered, an overseas ham operator in New Zealand recognized the distress and — through a chain of amateur radio relays that passed the alarm from New Zealand to a ham in Hawaii and then to one in Alaska — help was summoned. That relay is credited with bringing emergency aid in time to save De Vinna's life.
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