Gordon Hutner (EDT)/ Feisal G. Mohamed (EDT)/ Gordon Hutner (CON)/ Feisal G. Mohamed (CON)/ Roger L. Geiger (CON)
(2)
Roger L. Geiger (EDT)/ Nathan M. Sorber (EDT)/ Christian K. Anderson (EDT)
(2)
Alan I. Marcus (EDT)/ Roger L. Geiger (CON)/ Mark R. Finlay (CON)/ Nathan M. Sorber (CON)
(1)
Richard Hofstadter/ Roger L. Geiger (INT)
(1)
Roger L. Geiger (EDT)/ Nathan M. Sorber (EDT)
(1)
Roger L. Geiger/ Creso Sa
(1)
USA); Roger L Geiger Professor Marybeth Gasman (University of Pennsylvania
(1)