Paul Kotin, M.D. (http://www.niehs.nih.gov/news/newsletter/2008/june/director.cfm)NIEHS Director 1968–1971
David P. Rall, M.D., Ph.D.NIEHS Director 1971–1990NTP Director 1978–1990
Kenneth Olden, Ph.D., Sc.D., L.H.D.NIEHS and NTP Director1991–2005
David A. Schwartz, M.D., M.P.H.NIEHS and NTP Director2005–2007