Edward Jenner God for the good which he has made me the instrument of conveying to my fellow creatures." However, his contemporary Rabbi Israel Lipschitz in his classic commentary on the Mishna Tiferet Yisrael wrote that Jenner was one of the "righteous of the nations," deserving a lofty place in the World to Come, for having saved millions of people from smallpox. In 1979, the World Health Organization declared smallpox an eradicated disease. This was the result of coordinated public health efforts, but vaccination was an essential component. Although the disease was declared eradicated, some pus samples still remain in laboratories in
Edward Jenner of nestling birds in general." Jenner's nephew assisted in the study. He was born on 30 June 1737. Jenner's understanding of the cuckoo's behaviour was not entirely believed until the artist Jemima Blackburn, a keen observer of bird life, saw a blind nestling pushing out a host's egg. Her description and illustration of this were enough to convince Charles Darwin to revise a later edition of "On the Origin of Species". Jenner married Catherine Kingscote (died 1815 from tuberculosis) in March 1788. He might have met her while he and other fellows were experimenting with balloons. Jenner's trial balloon descended