Note on the authors

  Joseph M. Gillman held an M. A. in Sociology and a Ph.D in 
Economics. from Columbia University. He taught economics and 
statistics and served as an economic analyst with the Federal 
Government. 
  Etta C. Gillman did graduate work in psychology at 
Columbia University and, for a number of years, served as 
school psychologist in New York City. 	
  Dr. Gillman is the author of The Falling Rate of Profit 
(1957) and Prosperity in Crisis (1965).