Who discovered the concept of DNA replication?

Who discovered the first successful treatment for insulin-dependent diabetes?

Who discovered the first successful treatment for gas gangrene?

Who discovered the first successful treatment for streptococcal infections?

Who discovered the first successful treatment for cholera?

Who discovered the first successful treatment for whooping cough?

Who discovered the concept of dark matter?

Who discovered the first successful treatment for anthrax?

Who discovered the first successful treatment for diphtheria?

Who discovered the concept of the greenhouse effect?