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.

[2] 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".

[5] 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.

[2] Tredennick wrote several books and numerous articles in professional and trade magazines;[6] 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.

Tredennick held nine U.S. patents on subjects ranging from microprocessors to reconfigurable computing.