Cecil Rhodes built which South African diamond company, named for the farm where its mine began?

Which crime writer, creator of Inspector Wexford, was made a life peer in 1997? Which senator represented California alongside Dianne Feinstein from 1993 to 2017? In which 1939 film did Bette Davis play Queen Elizabeth I opposite Errol Flynn? What is the largest desert in Australia? Which gulf separates the Sinai Peninsula from mainland Egypt to the west? Which English queen came to the throne in 1558 on the death of her half-sister? Which British king succeeded his grandfather George II in 1760? Which British monarch succeeded Queen Victoria in 1901?