He studied at the Boston Museum.
He created hundreds of bronze sculptures and monuments including the Mary McLeod Bethune Memorial, and the Albert Einstein Memorial in Washington, District of Columbia One of Berkshire"s most famous works is a bust of former President John Fitzgerald Kennedy that can be found in the Grand Foyer of The John F. Kennedy Center for the Performing Arts in Washington, District of Columbia. A copy of his Bust of Abraham Lincoln was displayed in the Oval Office during the Clinton Administration. Another of his statues, that of the Swedish botanist and physician Carolus Linnaeus, can be found in the Heritage Garden of the Chicago Botanic Garden in Glencoe, Illinois. In 2005, he donated a sculpture of Einstein to Princeton University.
In 2007, he made a sculpture of Fred Rogers for Pittsburgh.
He died on May 16th 2011 at the age of 89 from natural causes. Louis Dembitz Brandeis Sculpture, Brandeis University, Waltham, Massachusetts, 1956
Abraham Lincoln Bust, 1958
Richard Caliguiri Memorial, Pittsburgh City-County Building Pittsburgh, Pennsylvania,
Robert F. Kennedy Memorial, Department of Justice Washington, District of Columbia, 1969
Mary McLeod Bethune Memorial, Lincoln Park, Washington, District of Columbia, 1974
Albert Einstein Memorial, National Academy of Sciences, Washington, District of Columbia, 1979
John F. Kennedy Bust, Kennedy Center Washington, District of Columbia, 1971
Carolus Linnæus Monument, Chicago Botanic Garden, Glencoe, Illinois, 1983
Reinhold Niebuhr Memorial, Elmhurst College, 1997
Fred Rogers Memorial, Pittsburgh, Pennsylvania, 2009.