Rumpole of the Bailey interest in nineteenth-century anarchists, especially the Russian Peter Kropotkin from whom the title of the play was drawn. The character's name was later changed to Horace Rumpole when it was discovered that there was a real barrister called Horace Rumbold. The title of the play was briefly changed to "Jolly Old Jean Jacques Rousseau" before settling on the less esoteric "Rumpole of the Bailey". Mortimer was keen on Michael Hordern for the role of Rumpole. When Hordern proved unavailable, the part went to Australian-born actor Leo McKern. Mortimer was initially unenthusiastic about McKern's casting but changed his opinion upon seeing
Howard McKern awarded First-Class Honours in Chemistry and Geology. McKern received a Diploma in Chemistry from the Sydney Technical College in 1942, while studying physiology, microbiology and botany. In 1957 he completed a Master of Science degree, by thesis, at the University of New South Wales. McKern worked from 1936 until 1945 in analytical and organic chemistry in the Parramatta chemical laboratory of Meggitt Limited, and during that time was promoted to Assistant Chemist. In July 1945, McKern joined the staff of the Museum of Applied Arts and Sciences as head of the Chemistry Department and was engaged in research on the