In the late 1970s, Knocked Up director Judd Apatow, then about 12 years old, went to visit his grandmother in California. As he’d done during previous trips out west, Apatow asked if they could drive past Steve Martin’s house on the way to his grandma’s, not expecting that he would actually get to see Martin in the process. However, Martin happened to be standing in his front yard as they pulled up, and Apatow decided to hop out of the car and ask the comedian for his autograph. Unbeknownst to Apatow, Martin had a strict policy at the time about not signing autographs at his house. “Will you sign it in the street?” Apatow fired back. Martin then politely explained to the future filmmaker that signing an autograph for him would just lead to a flood of fans coming to his home, asking him to do the same for them. Defeated and confused, Apatow returned to the car, trying to wrap his head around Martin’s logic.…