births
Michael Heidelberger, American immunologist (died 1991)
Related Wikipedia articles
Michael Heidelberger
American immunologist (1888–1991)
Michael Heidelberger was an American immunologist, often regarded as the father of modern immunology. He and Oswald Avery showed that the polysaccharides of pneumococcus are antigens, enabling him to show that antibodies are proteins. He spent most his early career at Columbia…Source: Wikipedia (CC BY-SA)
April 29
Day of the year
April 29 is the 119th day of the year in the Gregorian calendar; 246 days remain until the end of the year.Source: Wikipedia (CC BY-SA)