 A 16-year-old Liz Lemon made a prank call, claiming to have been a nurse in the war who was impregnated by General Electric when he was "Colonel" Electric.Jack's loyalty to GE and his handsomeness impressed Don Geiss, who transferred Jack to the microwave ovens division.At some point, he also rotated through GE's plastics division, where he befriended the "brilliant plastics engineer / lesbian", Gretchen Thomas.