In 2013 , he was named the first Zanvil A. Cohn and Ralph M. Steinman Professor .
Nussenzweig returned to The Rockefeller University as an assistant professor in 1990 and he became an associate professor in 1994 , and a professor and senior physician in 1996 .
In 2013 , Nussenzweig was named the first Zanvil A. Cohn and Ralph M. Steinman Professor .
Nussenzweig returned to The Rockefeller University as an assistant professor in 1990 and he became an associate professor in 1994 , and a professor and senior physician in 1996 .