Research Workers made them
Richard warren and Robert M. Mendenhall, research workers at Columbia and statistical consultants for the Carnagie Foundation for the Advancement of Teaching are responsible for most of the inventions which were first announced at the educator's convention in Atlantic City last week.
These new machines will be a tremendous boom to research. Dr. Ben D. Wood, Director of the Statistical Bureau, said yesterday, through making statistical procedure more accurate, much faster and far less expensive.