Me: I taught my dog to play chess.
Friend: He must be very smart?
Me: Not really, I beat him two games out of three!
Reinier de GraafBorn 30 Jul 1641; died 21 Aug 1673 at age 32.Dutch physician who discovered the follicles of the ovary (known as Graafian follicles), in which the individual egg cells are formed (1672) and also published on male reproductive organs (1668). He was also important for his studies on pancreatic juice (1663) and on the reproductive organs of mammals. He is considered one of the creators of experimental physiology. He used a technique of injecting dye into organs in order to be able to observe them better. It was on this technique that a bitter priority dispute with Swammerdam developed. He wrote a brief tract on the use of the syringe in anatomy (1669). He died, perhaps by suicide, at only 32 years of age.Name also spelled Regnier. Day of death given as 21 Aug in DSB. 17 Aug in Enc. Brit. |
