Dr. John H. Marburger III

Science Advisor to
President George W. Bush
Oct. 29, 2001 - Present

Dr. Neal Lane

Science Advisor to
President William Clinton
August 1998 - January 2001

Dr. John H. Gibbons

Science Advisor to
President William Clinton
Jan. 20, 1993 - April 3, 1998

Dr. D. Allan Bromley

Science Advisor to
President George H.W. Bush
1989 - 1993

Dr. George Keyworth II 

Science Advisor to
President Ronald Reagan 
May 1981 to January 1986

Dr. Frank Press

Science Advisor to
President Jimmy Carter
1977-1980

Dr. Edward E. David, Jr. 

Science Advisor to
President Richard Nixon
1970-1973 

Dr. Donald Hornig

Science Advisor to
President Lyndon Johnson
1964-1969