Dan Seymour (June 28, 1914 – July 27, 1982) was an announcer in the era of old-time radio and in the early years of television and later became an advertising executive. Seymour was once recognized as "Radio's best announcer." An obituary observed: "Seymour was best known as the deep-voiced announcer who startled Americans with a convincing but fictional account of Martians landing on Earth in the War of the Worlds broadcast in 1938."

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