Medical doctor Ronald Ross was born #OTD in 1857.
In 1897, Ross made a significant breakthrough when he discovered that malaria parasites were transmitted by mosquitoes. He found malaria parasites in the stomach tissue of a mosquito and demonstrated their life cycle in the insect. He was awarded the Nobel Prize in Physiology or Medicine in 1902, becoming the first British Nobel laureate in Medicine.
Books by Ronald Ross at PG:
https://www.gutenberg.org/ebooks/author/44647