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 the previously misunderstood life of the nested cuckoo, a study that combined observation, experiment, and dissection. He described how the newly hatched cuckoo pushed its host's eggs and fledgling chicks out of the nest (contrary to existing belief that the adult cuckoo did it). Having observed this behaviour, Jenner demonstrated an anatomical adaptation for it—the baby cuckoo has a depression in its back, not present after 12 days of life, that enables it to cup eggs and other chicks. The adult does not remain long enough in the area to perform this task. Jenner's findings were published in "Philosophical