Examiner disputed documents, New York City, since 1950. Lecturer handwriting, typewriter identification, detection forgery colleges, universities, since 1955. Lecturer New York University, 1955—1957.
Member faculty New York Institute Criminology, New York City, 1958. Consultant governmental agencies, law firms. Expert witness city, state, federal courts, United States & Commonwealth Puerto Rico and foreign jurisdictions.
Member of American Association for the Advancement of Science, International Association Chiefs Police (associate).
Married Martin Kenneth Tytell, May 23, 1943 (deceased September 11, 2008).