Individuals

• Edwin Chadwick and John snow contributed to improving public health. chadwick highlighted poor living conditions in his report, while snow discovered the link between cholera and dirty water
• Robert Koch was a rigorous scientist and doctor who identified many different germs
• Louis Pasteur discovered germ theory, which said that germs caused disease. He also developed vaccines for animal and human diseases during his rivalry with Koch
• James Simpson discovered chloroform as an effective anaesthetic
• Queen Victoria used chloroform during childbirth in 1853
• joseph lister developed carbolic acid as an antiseptic and promoted germ theory