In 1936, he graduated summa cum laude with a Bachelors of Science in electrical engineering from Marquette University.

[2] While in school, Haggerty held a part-time position with the Badger Carton Company in Milwaukee, and upon graduation became production manager.

[4] By 1945, Geophysical Service Inc. had produced a diverse array of manufactured items including anti-submarine detection devices, and a full line of equipment designed for oilfield exploration.

[3] In December 1951, GSI became Texas Instruments Incorporated, with Haggerty serving as executive vice president and director.

[5] In the realm of geophysics, his tenure oversaw the company's efforts to advance the role of information technology in interpreting and recording seismographic data.

[8] Haggerty died at 66 in Dallas on October 1, 1980, after a brief illness at Presbyterian Hospital and was buried in Calvary Hill Cemetery.