After his mother died in 1827, which Zulu king became openly erratic and was murdered the next year?

Which future president ran a Kansas City haberdashery that failed in 1922, then spent years paying back creditors? The collapse of Lincoln Savings and Loan, which cost taxpayers billions, led to fraud convictions for which financier? After his manslaughter acquittal in 1922, which silent comedian directed films under the name William Goodrich? After his death on May 10, 1863, which general's commander wrote, "I know not how to replace him"? After his partner's death in 1809, which explorer worked with Nicholas Biddle to complete the expedition report? After his public comments were criticized by FDR, which aviator resigned his Army Air Corps reserve commission in April… After his quarrel with W.S. Gilbert, which composer wrote the 1891 opera "Ivanhoe" without him? After his rigged re-election in 1961, which Haitian leader later named himself president for life?