Nils Alwall

Nils Alwall (October 7, 1904 – February 2, 1986) was a Swedish professor at Lund University, Sweden. He was a pioneer in hemodialysis and the inventor of one of the first practical dialysis machines. Alwall pioneered the technique of ultrafiltration and introduced the principle of hemofiltration. Alwall is referred to as the "father of extracorporeal blood treatment." Provided by Wikipedia