John Heller Tabony, Jr., 69, passed away at this home on June 14, 2013. He was a native of Plaquemines parish and a resident of Baton Rouge for 45 years. He graduated from Woodlawn High School and received a Ph.D. in Mechanical Engineering from LSU where he was member of Theta Xi Fraternity. In 1973 he founded Scientific Testing Laboratories and remained there until his death. He was a member of numerous professional organizations and honorary societies and a member of Broadmoor United Methodist Church for 35 years. He is survived by his ex-wife and long time companion, Jackie Tabony, two daughters, Christine McCleary and Shannon Maggio, a son, John Tabony, III ,and six grandchildren, Kyle and Cameron McCleary, Austin and Brady Maggio, and Delaney and Vanessa Tabony. Visitation will be on Tuesday, June 18 from 9 a.m. to noon followed by the funeral service at Rabenhorst Funeral Home East on Florida Blvd. with interment at Greenoaks Gardens of Memory on Florida Blvd.