Chaim Gross historian Lewis Jacobs made a 30-minute feature of Gross carving, called "Tree Trunk to Head", showing Gross at work in his East Village studio on a portrait of his wife Renee, who models in the film. In 1949 Gross sketched Chaim Weizmann, President of Israel, at several functions in New York City where Weizmann was speaking. Gross began a portrait in clay and then traveled to Israel in the summer of that year hoping to be able to meet Weizmann and have him sit for a portrait. Weizmann was too ill, but Gross completed the bust in bronze later that
Chaim Weizmann during World War I, Weizmann was director of the British Admiralty laboratories from 1916 until 1919. In April 1918 at the head of the Jewish Commission, he returned to Palestine to look for "rare minerals" for the British war effort in the Dead Sea. Weizmann's attraction for British Liberalism enabled Lloyd George's influence at the Ministry of Munitions to do a financial and industrial deal with Imperial Chemical Industries (ICI) to seal the future of the Zionist homeland. Tirelessly energetic Weizmann entered London again in later October to speak for a solid hour with the Prime Minister, propped by "The