Often used when a character is plummeting to his death, the Wilhelm scream is a stock sound effect that has been featured in over a hundred films, television shows, and video games since it was first used in the 1951 film Distant Drums. The tradition of inserting the sound into films began when Star Wars sound designer Ben Burtt tracked down the original recording—a studio reel labeled “man being eaten by alligator”—and named the sound effect after whom? Discuss
Source: The Free Dictionary