Short answers, pulled from the story.
Robert Berks is best known for his bronze monuments in Washington, D.C., particularly the Albert Einstein Memorial at the National Academy of Sciences and the 8-foot bust of John F. Kennedy in the Grand Foyer of the Kennedy Center. He also created the Mary McLeod Bethune Memorial in Lincoln Park and numerous busts displayed in the Oval Office.
The Albert Einstein Memorial by Robert Berks is located on the grounds of the National Academy of Sciences in central Washington, D.C. It depicts Einstein seated with manuscript papers in hand and was completed in 1979.
Berks would invite living subjects to stay with him and his wife at his converted schoolhouse on the north fork of Long Island for a week or two. During that time he observed their emotions, facial expressions, body language, and habits rather than relying solely on formal modeling sessions.
President Clinton displayed a copy of Berks's Abraham Lincoln bust and kept his Franklin Roosevelt bust on the Resolute Desk. During Joe Biden's presidency, a Berks bust of Robert F. Kennedy stood in the Oval Office. Eight original Berks works are owned by the National Gallery and have appeared in the Oval Office across multiple administrations.
Robert Berks died on the 16th of May, 2011, at the age of 89 from natural causes.
In the 1960s, Berks was nicknamed 'The Capitol's Michelangelo' in recognition of his concentration of bronze monuments around the National Mall in Washington, D.C.