Gerhard Armauer Hansen that the leprosy acts of 1877 and 1885 were passed, leading to a steady decline of the disease in Norway from 1,800 known cases in 1875 to just 575 cases in 1901. His distinguished work was recognized at the International Leprosy Congress held at Bergen in 1909. Hansen had suffered from syphilis since the 1860s but died of heart disease. He was an atheist. Gerhard Armauer Hansen Gerhard Henrik Armauer Hansen (29 July 1841 – 12 February 1912) was a Norwegian physician, remembered for his identification of the bacterium "Mycobacterium leprae" in 1873 as the causative agent of leprosy. Hansen
Alvin Hansen wider public. Hansen was appointment as special economic adviser to Marriner Eccles at the Federal Reserve Board in 1940 and he was in charge until 1945. After retiring from active teaching in 1956, he wrote "The American Economy" (1957), "Economic Issues of the 1960's and Problems" (1964), and "The Dollar and the International Monetary System" (1965). He died in Alexandria, Virginia on June 6 of 1975 at the age of 87 years. His most outstanding contribution to economic theory was the joint development, with John Hicks, of the so-called IS–LM model, also known as the "Hicks–Hansen synthesis." The IS-LM diagram