Chaim Weizmann as President of Israel. Chaim Weizmann and his family lived in Manchester for about 30 years (1904–1934), although they temporarily lived at 16 Addison Road in London during World War I. While in Britain, he was known by many as Charles Weizmann, a name under which he registered about 100 research patents. At the end of World War II, it was discovered that the SS had compiled a list in 1940 of over 2,800 people living in Britain, which included Weizmann, who were to have been immediately arrested after an invasion of Britain had the ultimately abandoned Operation Sea Lion
Chaim Weizmann was breaking off the relationship with Getzowa until 1903. His behavior was seen as dishonorable, creating fractures with others in the Zionist movement. His fellow students held a mock-court proceeding and ruled that Weizmann, should uphold his commitment and marry Getzowa, even if he later divorced her. Weizmann ignored their advice. In 1904, he moved to the United Kingdom after receiving a job offer from the Chemistry Department of the University of Manchester. He was appointed senior lecturer. In 1910, he became a British citizen, and held his British nationality until 1948, when he renounced it to assume his position