Obituaries, July 2019

David I. Campbell, P.E.
64; Member ASHRAE; Oakville, Ontario, Canada; joined ASHRAE in 1990.

Yasser Mehboob Kotadiya
29; Associate Member ASHRAE; Sharjah, UAE; joined ASHRAE in 2018.

Richard F. Pressley, Sr., P.E.
83; Life Member ASHRAE; Norcross, Ga.; joined ASHRAE in 1964. He served as:

• Vice chair and member of the Society’s Admissions and Advancement Committee.

• A member of the ASHRAE Atlanta Chapter’s Board of Governors.

• A voting member and consultant for Standard Project Committee 2001, Method of Testing for Rating Computer and Data Processing Room Unitary Air Conditioners.

• Secretary and member of TC 9.9, Mission Critical Facilities, Data Centers, Technology Spaces and Electronic Equipment.

He won a Chapter Service Award in 2005.

James A. Ray, P.E.
74; Life Member ASHRAE; Chesterfield, Mo.; joined ASHRAE in 1974.

William P. Vadakin
81; Life Member ASHRAE; Aurora, Ohio; joined ASHRAE in 1967.