Back to the Future him to 2015 to resolve a problem with their future children. The trio board the DeLorean, which has been upgraded with hover technology, and warp to the future. Writer and producer Bob Gale conceived "Back to the Future" after he visited his parents in St. Louis, Missouri after the release of "Used Cars". Searching their basement, Gale found his father's high school yearbook and discovered he was president of his graduating class. Gale had not known the president of his own graduating class, and wondered whether he would have been friends with his father if they went to high school
Back to the Future permission of Universal Pictures, owners of the earlier film, if the film was ever to begin shooting. With "Big Trouble" set to go, desperate Columbia executives phoned Universal's Frank Price to get the necessary paperwork. Price was a former Columbia executive who had been fond of the script for "Back to the Future" during his tenure there. As a result, Universal agreed to trade the "Double Indemnity" license in exchange for the rights to "Back to the Future". Executive Sidney Sheinberg made suggestions to the script, such as changing Marty's mother's name from Meg to Lorraine (the name of his