Throughout his long career, he had worked in the fields of comparative planetology, geology, neotectonics, and remote sensing.
In 1959, he became “the first geologist hired by NASA.” At Goddard, he worked with John A. O'Keefe on the origin of tektites and pre-Apollo lunar geology.
Lowman's field work included research on ancient exposed rocks in Scotland and the Sudbury Crater in Ontario, Canada.
In addition to his scientific achievements, he served in an educational capacity as a faculty member and mentor at a number of universities and programs throughout his long career.
[1] Lowman wrote a number of books and NASA documents including the following titles: