Ricin chain A. This vaccination is effective for several months due to the body's production of antibodies to the foreign protein. In 1978 Bulgarian defector Vladimir Kostov survived a ricin attack similar to the one on Georgi Markov, probably due to his body's production of antibodies. When a ricin-laced pellet was removed from the small of his back it was found that some of the original wax coating was still attached. For this reason only small amounts of ricin had leaked out of the pellet, producing some symptoms but allowing his body to develop immunity to further poisoning. The seeds of
Waterloo Bridge (1940 film) Waterloo Bridge (1940 film) Waterloo Bridge is a 1940 remake of the 1931 American drama film also called "Waterloo Bridge", adapted from the 1930 play "Waterloo Bridge". In an extended flashback narration, it recounts the story of a dancer and an army captain who meet by chance on Waterloo Bridge. The film was made by Metro-Goldwyn-Mayer, directed by Mervyn LeRoy and produced by Sidney Franklin and Mervyn LeRoy. The screenplay is by S. N. Behrman, Hans Rameau and George Froeschel, based on the Broadway drama by Robert E. Sherwood. The music is by Herbert Stothart and cinematography by Joseph Ruttenberg.