Biography 1991 
Philip S. Klinkert received a B.Sc. degree in physics and applied mathematics from the University of Witwatersrand in 1967. In 1971 he received an M.Sc. in geophysics and the Diploma in membership of the Imperial College (D.I.C.). In the same year he joined Anglo-American Corp. as an exploration geophysicist. His research interestes are design of AEM systems including processing and interpretation of AEM data. He is a member of the South African Geophysical Association and the Geological Society of South Africa.
J. C. Macnae, R. Smith, B. D. Polzer, Y. Lamontagne, and P. S. Klinkert received 1991 Honorable Mention (Geophysics) for their paper Conductivity-depth imaging of airborne electromagnetic step-response data. 
- Contributors, Geophysics 56(1):161.
- Macnae, J. C., et al. (1991) Conductivity-depth imaging of airborne electromagnetic step-response data, GEOPHYSICS 56(1):102.