Which highly toxic protein was present on the tip of the umbrella that was used to kill Bulgarian dissident writer Georgi Markov in 1978?
Bulgarian umbrella effectively used to assassinate a Bulgarian journalist by poisoning him with ricin delivered through the tip of an umbrella. Bulgarian umbrella A Bulgarian umbrella is an umbrella with a hidden pneumatic mechanism which injects a small poisonous pellet containing ricin. It has a hollowed stalk into which the pellet neatly sits. Such an umbrella was allegedly used in and named for the assassination of the Bulgarian dissident writer Georgi Markov on 7 September 1978 (the birthday of the Bulgarian State Council chairman Todor Zhivkov, who had often been the target of Georgi Markov's criticism) on Waterloo Bridge in London. Markov
Georgi Markov Georgi Markov Georgi Ivanov Markov (; 1 March 1929 – 11 September 1978) was a Bulgarian dissident writer. Markov originally worked as a novelist and playwright in his native country, the People's Republic of Bulgaria, until his defection in 1968. After relocating, he worked as a broadcaster and journalist for the BBC World Service, the US-funded Radio Free Europe and West Germany's Deutsche Welle. Markov used such forums to conduct a campaign of sarcastic criticism against the incumbent Bulgarian regime, which, according to his wife at the time he died, eventually became "vitriolic" and included "really smearing mud on the