It’s crazy that Corman produced eight movies in 1957, but that he produced and directed eight movies that year is insane. Obviously sci-fi and horror were working for him, because three of the eight films were sci-fi or horror. I’m counting the highly idiosyncratic The Undead, which, man, it’s hard to see anyone but Corman making, especially for the teen drive-in circuit.
First up, though, was the killer alien film Not of this Earth. Even when working sci-fi and horror, Corman spread it around. This was was completely different in tone and subject from the other two, not to mention the other five films he directed / produced that year, including a (supposedly) south sea adventure, two rock films and two (for the time) sexy social dramas.