BASIC PHYSICS FOR PILOTS and FLIGHT CREWS
Edwin John Knapp Ph.D. ( 1899 - ? ) was professor of mathematics and physics at the College of Mines and Metallurgy of the University of Texas ( T.C.M., present - day The University of Texas, U.T.E.P., El Paso ).
He was the author of the two following books : A spectrophotometric study of the polarization of light by gratings ( 1921 ) and The thermal conductivity of bismuth in transverse magnetic fields, at low temperatures ( 1930 ).
( sources : Wikipedia, www.worldcat.org, catalog.hathitrust.org )