Gruto crash-lands on Earth on a trip from his homeworld of Pacion Rex. During the crash Gruto hits his head, thus leaving him with amnesia. Falling foul of an aggressive and opportunistic reporter, Gruto is persecuted after the journalist alleges Gruto is some sort of would-be alien conqueror. Eventually Gruto is chased off Earth and flies away in his insectoid flying saucer. Regaining his memory his mission is finally revealed- to share his godlike technology with the primitives of Earth.
Cause of human progress: 0
Your Pulitzer is in the mail.