On August 19,2015 a person named John Robert Gregg died . John Robert Gregg worked as a Businessperson, inventor, Humanitarian, Educator, publisher . John Robert Gregg is related to Hiram Percy Maxim  . 81 was the age of the person . Lyric baritone instruments were played by John Robert Gregg . Academíe des sciences are the institutions John Robert Gregg worked at . 604 are the labels in which this person sings . Keith Prize (1827–9 were the awards that Keith Prize (1827–9 won . John Robert Gregg had a residence at Santa Monica . Laurie Mark Brown were the doctoral students of John Robert Gregg . This person is singing in the genres Pop Rock . The person named John Robert Gregg's date of birth is July 21, 2001 . 1 is the number of children that the person has . The resting place of John Robert Gregg is Mountain View Cemetery and Mausoleum . This person has a website named jadapinkettsmith.com . The crimes that John Robert Gregg is convicted for are money laundering
John Robert Gregg is a producer with Cheyenne Enterprises