3.American bacteriologist Edwin Oakes Jordan was one of the first to calculate the death toll, which he estimated to be in the vicinity of 21.5 million.
5.Walter was the bacteriologist and occupied a subordinate position; he would hardly have the impudence to make himself a nuisance to the upper officials of the Colony.
6.He was a doctor, certainly, but he did not practise; he was a bacteriologist (Kitty had only a very vague idea what that meant) and he had a job at Hong-Kong.
7.Alexander Fleming was a bacteriologist who for 15 years had tried to solve the problem of how to get rid of the disease carrying germs or microbes in the human body without causing any dangerous side effects.