[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.

He also oversaw the development of thermal print heads for printers and in 1967 the company's production of hand-held calculators.

[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.