Paul Langerhans
Appearance
![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/9/94/Paul_Langerhans_1878.jpg/200px-Paul_Langerhans_1878.jpg)
Paul Langerhans (25 July 1847 – 20 July 1888) was a German pathologist, physiologist and biologist. He was credited with the discovery of the cells that secrete insulin. The cells were named after him as the islets of Langerhans.