January 4, 2017:
(1) (1664) Swedish physician Lars Roberg is born. As a physician, he founded Nosocomium academicum, now known as the Uppsala Academic Hospital, in Sweden.
(2) (1883) Dutch plant pathologist Johanna Westerdijk is born. During her time as a researcher, she studied dutch elm disease, a disease that was the result of a fungal infection.
(3) (1896) Norwegian professor of medicine, gynecology and obstetrics. He performed pioneer research in infertility, inseminating the women married to infertile men.