The scientist below contributed to all of the following except

Lois Pasteur (1822-95):*He introduced techniques of sterilization and developed the steam sterilization, hot air oven, and autoclave*He worked on Chicken cholera vaccine, rabies vaccine, and Anthrax vaccine.Diphtheria toxoid work was done by Roux and Yersin.Ref: Ananthanarayan 9th edition, p13