What type of industry does Jeff Tremaine and Robert Mulligan have in common?
Jeff Tremaine Jeffery James Tremaine (born September 4, 1966) is an American film director, film producer, television director, and television producer. He is most closely associated with the "Jackass" franchise, having been involved since the inception of the first TV show.
John Tregoning John Tregoning (c. 1845–c. 1920) was an American mechanical engineer, inventor and business manager from Lynn, Massachusetts, known for writing one of the very first books on factory operations in 1891. and as early systematizer of management.