Ricin immunogenic in mice, rabbits, and humans. It has completed two successful clinical trials. Ricin has been involved in a number of incidents. In 1978, the Bulgarian dissident Georgi Markov was assassinated by Bulgarian secret police who surreptitiously shot him on a London street with a modified umbrella using compressed gas to fire a tiny pellet contaminated with ricin into his leg. He died in a hospital a few days later and his body was passed to a special poison branch of the British Ministry of Defence (MOD) that discovered the pellet during an autopsy. The prime suspects were the Bulgarian
Death on the Nile (1978 film) pythons. Cinematographer Jack Cardiff says he and Guillermin decided to give the film "an old fashioned 30s look". The choreography for the tango scene was provided by British dancer Wayne Sleep. In early 1978 David Niven's daughter was seriously injured in a car accident. Niven would fly from London to Switzerland on weekends during filming to sit by her bedside. Although it was a British film, "Death on the Nile" first premiered in New York, on 29 September 1978, to coincide with the sale of tickets for the Metropolitan Museum of Art's opening on 15 December 1978 of the travelling