The doctoral students of John Robert Gregg are George Zweig . 51 is the number of kids that the person has . This person is singing in the genres operatic pop . The crimes that John Robert Gregg is convicted for are Violating the Espionage Act . 81 was the age of the person . John Robert Gregg worked as a inventor, Inventor , Humanitarian, Educator, publisher, author  . On November 20, 1928 a person named John Robert Gregg was born . John Robert Gregg played turntables instruments . This person has a website named panicatthedisco.com . October 4,2001 is when John Robert Gregg died .  Los Angeles is where John Robert Gregg had a residence . The resting place of John Robert Gregg is  Hawaii . The person worked at Battelle Memorial Institute institutions . Brother/Reprise/Warner Bros. are the labels in which this person sings
John Robert Gregg played Trumpet