his fascination for medicine started with the extraction of a tooth. at the age of 14 years in school, it was necessary to take penicillin injections on a daily basis, for a few days after the extraction. he was interested in the idea of doing it himself. during those periods there were no disposable syringes and so everything had to be sterilized carefully. the future doctor carried out it at home. then he arranged a kit and started dissecting animals rabbits and hens.