The correct option is D Landsteiner and Weiner
The Rh factor is a type of protein on the surface of red blood cells. Most people who have the Rh factor are Rh-positive. Those who do not have the Rh factor are Rh-negative. It was discovered by Karl Landsteiner and Alexander S. Weiner in 1940 in the rhesus monkey.
Therefore, the correct answer is option C.