In a 1999 film directed by Joe Johnston, Jake Gyllenhaal played a NASA engineer that was inspired by the launch of what satellite?
Jake Gyllenhaal filmography:  In 1999, Gyllenhaal starred in the Joe Johnston-directed drama "October Sky"; the film was received warmly by critics, and Gyllenhaal's portrayal of the NASA engineer Homer Hickam was praised. October Sky:  It is based on the true story of Homer H. Hickam, Jr., a coal miner's son who was inspired by the launch of "Sputnik 1" in 1957 to take up rocketry against his father's wishes and eventually became a NASA engineer.
"Sputnik 1"