1916 – 1980, Kinderbuchautor; Illustrator; Journalist bei Radio Free Europe
1922 - 1999, US-amerikan. Politikberater für Außenpolitik; Executive Director; American Committee on United Europe; Vice President; Radio Free Europe; International Relations Specialist; Government Accounting Office (GAO) Washington; DC
1940 - , retired director of Audience Research and Program Evaluation for Radio Free Europe/Radio Liberty in Prague
Wirkungsdaten [20.Jh.], Amerikan. Programmdirektor von Radio Free Europe / Radio Liberty