Group Photos1959 Harkness Lab group photo1960 Harkness Lab group photo1961 Harkness Lab group photo1962 Harkness Lab group photo1963 Harkness Lab group photo1964 Harkness Lab group photo1965 Harkness Lab group photo1966 Harkness Lab group photo1967 Harkness Lab group photo1968 Harkness Lab group photo1969 Harkness Lab group photo1970 Harkness Lab group photo1971 Harkness Lab group photo1972 Harkness Lab group photo1973 Harkness Lab group photo1974 Harkness Lab group photo1975 Harkness Lab group photo1976 Harkness Lab group photo1977 Harkness Lab group photo1978 Harkness Lab group photo1979 Harkness Lab group photo1980 Harkness Lab group photo1981 Harkness Lab group photo1982 Harkness Lab group photo1982 Harkness Lab group photo1984 Harkness Lab group photo1985 Harkness Lab group photo1986 Harkness Lab group photo1987 Harkness Lab group photo1988 Harkness Lab group photo1989 Harkness Lab group photo1990 Harkness Lab group photo1991 Harkness Lab group photo1992 Harkness Lab group photo1993 Harkness Lab group photo1994 Harkness Lab group photo1995 Harkness Lab group photo1996 Harkness Lab group photo1997 Harkness Lab group photo1998 Harkness Lab group photo1999 Harkness Lab group photo2000 Harkness Lab group photo2001 Harkness Lab group photo2002 Harkness Lab group photo2003 Harkness Lab group photo2004 Harkness Lab group photo2005 Harkness Lab group photo2006 Harkness Lab group photo2007 Harkness Lab group photo2008 Harkness Lab group photo2009 Harkness Lab group photo2010 Harkness Lab group photo2011 Harkness Lab group photo2012 Harkness Lab group photo2013 Harkness Lab group photo2014 Harkness Lab group photo2015 Harkness Lab group photo2016 Harkness Lab Group Photo2018 Harkness Lab Group Photo2019 Harkness Lab Group Photo2020 Harkness Lab Group Photo2021 Harkness Lab Group Photo2022 Harkness Lab Group Photo2023 Harkness Lab Group Photo