1944 - , Prof. of Sociology at the Jagiellonian Univ. of Kraków; Poland and visiting Prof. in the Dep. of Scoiology; Univ. of California (1991)
1944 - , Prof. of Sociology at the Jagiellonian Univ. of Kraków; Poland and visiting Prof. in the Dep. of Scoiology; Univ. of California (1991)