I just got my newsletter and found out that Jim Stark, founder of BlackStone Labs here in Fort Wayne passed away in November 2015. Reading the story at the end of their news letter, it sounds like he was an interesting guy. He served a tour in Vietnam as a helicopter mechanic in the 1st Cav.
http://www.blackstone-labs.com/Newsletters/Gas-Diesel/February-1-2016.php
http://www.blackstone-labs.com/Newsletters/Gas-Diesel/February-1-2016.php