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 Switzerland to complete his studies at the University of Fribourg. In 1898, he attended the Second Zionist Congres in Basel, and that year became engaged to Sophia Getzowa. In 1899, he was awarded a PhD in organic chemistry. That same year, he joined the Organic Chemistry Department at the University of Geneva. In 1901, he was appointed assistant lecturer at the University of Geneva. Getzowa and Weizmann were together for four years before Weizmann, who had begun also dating Vera Khatzman in 1900, confessed to Getzowa he was involved with two women. He would not tell his family that he