Kerr was a leader in his professional community. He served as Secretary of the Mineralogical Society of America from 1934 to 1944 and was elected its President in 1946. He was also Vice President of the Geological Society of America in 1947. In recognition of his contributions, he was made an honorary member of the Mineralogical Society of Great Britain and Ireland in 1972.
The book’s reputation is marked by both high praise and significant criticism: Optical Mineralogy Paul F Kerr.pdf
Paul F. Kerr’s influence extended beyond raw data; his writing style was tailored for the learner. Unlike some advanced treatises that assumed a prior background in optical physics, Optical Mineralogy was designed for the undergraduate geologist. He utilized clear diagrams to illustrate ray paths and crystal sections, visualizing phenomena that disappear the moment the microscope light is turned off. Kerr was a leader in his professional community