Georgi Markov people in the inner circles". Georgi Markov was assassinated on a London street via a micro-engineered pellet containing ricin, fired into his leg from an umbrella wielded by someone associated with the Bulgarian Secret Service. It has been speculated that they asked the KGB for help. Georgi Markov was born on March 1, 1929, in Knyazhevo, a Sofia neighbourhood. In 1946, he graduated from the "Gymnasium" (high school) and began university studies in industrial chemistry. Initially, Markov worked as a chemical engineer and a teacher in a technical school. At the age of 19 years he became ill with tuberculosis
Ricin exposure occur, ricin can cause an allergy to develop. This is indicated by edema of the eyes and lips; asthma; bronchial irritation; dry, sore throat; congestion; skin redness (erythema); skin blisters (vesication); wheezing; itchy, watery eyes; chest tightness; and skin irritation. An antidote has been developed by the UK military, although it has not yet been tested on humans. Another antidote developed by the U.S. military has been shown to be safe and effective in lab mice injected with antibody-rich blood mixed with ricin, and has had some human testing. Symptomatic and supportive treatments are available for ricin poisoning. Existing