[1] [2] Park was an IEEE Fellow and a member of the National Academy of Engineering.
After this he went to the Royal Institute of Technology in Stockholm, Sweden to improve his knowledge on operational calculus.
During World War II he was involved in mine development at the Naval Ordnance Laboratory, resulting in 17 United States patents.
After the war he became Director of Research Development and Engineering at the Emhart Manufacturing Company (1946), started working as independent consultant and manufacturer in automation (1953), and was president of Fast Load Control, Inc. active in power systems stability (1968).
[3][4] Park received several awards and honors, which include the Navy Distinguished Civilian Service Award (1945),[3][4] the election to IEEE Fellow (1965),[4] the IEEE Lamme Medal (1972), “In recognition of his outstanding contributions to analysis of the transient behavior of a-c machines and systems,”[6] and the election to member of the National Academy of Engineering (1986).