Kenya African National Union nonetheless decided to remove all provisions of a federal nature from the constitution. Kenya became independent on December 12, 1963, and the next year became a republic within the Commonwealth. Jomo Kenyatta, head of the Kenya African National Union, became Kenya's first president. KADU dissolved itself voluntarily in 1964 and joined KANU after a strong lobbying by Tom Mboya. A small but significant leftist opposition party, the Kenya People's Union (KPU), was formed in 1966, led by Jaramogi Oginga Odinga, a former vice president and Luo elder. The KPU was banned and its leader detained after political unrest related to
Jomo Kenyatta Phonetic and Tonal Structure of Kikuyu". The book was published under Armstrong's name, although Kenyatta claimed he should have been listed as co-author. He enrolled at UCL as a student, studying an English course between January and July 1935 and then a phonetics course from October 1935 to June 1936. Enabled by a grant from the International African Institute, he also took a social anthropology course under Bronisław Malinowski at the London School of Economics (LSE). Kenyatta lacked the qualifications normally required to join the course, but Malinowski was keen to support the participation of indigenous peoples in anthropological research.