The Professor

Professor Roy Hinkley, Jr. is one of the main characters.

Personality Profile
The Professor was a highschool science teacher who orignally booked the three-hour-tour to help with his research on his book "Fun With Ferns."

Trivia

 * It is a common joke on the show that the Professer can make anything from coconuts and bamboo, but he can't fix a 2-foot hole on a boat. (Actor Russell Johnson later explained that if he was stuck on an island with Dawn Wells and Tina Louise he would be in no hurry to fix the boat.)


 * In the pilot episode, two on a raft, it is mentioned on the radio that he is a research scientist of no particular field and a Scoutmaster.


 * In High School he was on the Chess Team.