The following list of work history was found in LeGrand's personal file inherited by me, his son John P. Pratt. Along with it were job applications for which this list may have been prepared. The list ended with the 1951-1952 entry. I filled subsequent data from my personal knowledge as his son.
When he retired from Mt. Bell, he was awarded a gold watch for 40 years of service! Western Electric was part of American Telephone & Telegraph Co., so that work counted toward the 40 years.
| 1936 - 1943: | Western Electric Co., Los Angeles, Calif. | |
| 1943 - 1945: | U.S. Navy | |
| 1945 - 1950: | Western Electric Co., Los Angeles, Calif. | |
| 1950 - 1951: | Associated Telephone Co., Long Beach, Calif. | |
| 1951 - 1951: | 6 months at Convair Aircraft (Guided Missle Division), San Diego, Calif. | |
| 1951 - 1952: | Attended Henager School of Business, Salt Lake City, Utah | |
| 1953 - 1976: | Mt. Bell Telephone, Salt Lake City, Utah. |