Development of cancer chemopreventive agents from natural
products including ginseng.

1959~1964 Pathologist, Laboratory Services,
Capital Army Hospital
1964~1994 Chief, Laboratory of Cancer Pathology,
Korea Cancer Center Hospital
1969~1971 Fogarty International Postdoctoral
Research Fellow, Laboratory of
Pathology, National Cancer Institute, NIH, U.S.A.
1980~1989 President, Korea Cancer Center Hospital
1994~1997 Principal Investigator, Laboratory of
Experimental Pathology,
Korea Cancer Center Hospital, KAERI
1994~1995 President, Korean Cancer Association
1995~1997 President, Korean Cancer Society
1996~ President, Korean Association of Cancer Prevention
1997~ Inaugural Member, Korean Association of
Advancement of Sciences
1998~ Invited Researcher, Korea Cancer Center Hospital
1998~ Board Member, International Society of Cancer
Chemoprevention, U.S.A.

1973 Basic Medical Science Award, Korean Medical
Association
1976 Dongbaeg Medal of Civil Merit
1986 Academic Honor in Medical Science, 3.1 Cultural
Foundation.
1993 Achievement Award, National Academy of Sciences,
ROK
1997 Ochi Award, American Chemical Society
1998 Academic Honor, Korean Society of Ginseng Sciences