American inventor (1946–2022)
Harry L. "Nick" Tredennick was an American manager, inventor, VLSI design engineer and author who was involved in the development for Motorola's MC68000 and for IBM's Micro/370 microprocessors. 
He held BSEE and MSEE degrees from Texas Tech University, and a Ph.D. in Electrical Engineering from the University of Texas at Austin. Tredennick was named a Fellow of the IEEE; the citation reads "For the design and implementation of the execution unit and controller of the MC68000 workstation microprocessor".
He died July 26, 2022, in an All-terrain vehicle accident.
Career.
Tredennick was an advisor and investor in numerous pre-IPO startups and a member of technical advisory boards for numerous companies. In 2007 he joined the board of Patriot Scientific.
In parallel to his professional career, Tredennick served as a pilot with the U.S. Air Force (active, reserve, and National Guard) from 1970–1984, attaining the rank of major, as Aerospace Engineering Duty Officer in the U.S. Naval Reserve from 1986-2000 at the rank of captain, and on the Army Science Board from 1994–2001 and from 2006.
Publications.
Tredennick wrote several books and numerous articles in professional and trade magazines; inter alia, as a Contributing Editor of "Microprocessor Report", and on the Editorial Advisory Boards for "Microprocessors and Microsystems", for "Embedded Developer's Journal", and "IEEE Spectrum", as well as editing the "Gilder Technology Report" on leading-edge components. He has often appeared as panelist and keynote speaker on international conferences.
Tredennick held nine U.S. patents on subjects ranging from microprocessors to reconfigurable computing.