Rise of Neville Chamberlain in 1914 prevented implementation of his plans in Birmingham. With the outbreak of World War I in August 1914, Chamberlain became deeply involved in the war effort. In addition to his duties as councillor, Chamberlain helped recruit men for the Royal Warwickshire Regiment and set up funds for injured soldiers. Late in 1914, he became an alderman of Birmingham, and the following year, became Lord Mayor. Chamberlain's biographer, Robert Self, suggested that as Joseph Chamberlain had died the previous year, the honour was due to Neville Chamberlain's hard work rather than to any family influence. As a Lord Mayor in
Neville Chamberlain a government supported by all parties was essential, and the Labour and Liberal parties would not join a government headed by him. He was succeeded by Winston Churchill but remained very well-regarded in Parliament, especially among Conservatives. Before ill-health forced him to resign, he was an important member of Churchill's War Cabinet as Lord President of the Council, heading the Cabinet in the new premier's absence. Chamberlain died of cancer six months after leaving the premiership. Chamberlain's reputation remains controversial among historians, with the initial high regard for him being entirely eroded by books such as "Guilty Men", published in