Non-hodgkin lymphoma vs. Hodgkin lymphoma, what is the difference?

Many. Nhl is treated with different chemotherapy than hd. Stage for stage hd carries a better prognosis. Hd usually occurs in the young adult and the elderly; nhl occurs most often during middle age. Many different grades of nhl (low grade, intermediate, high) while hd is not divided into grades.
History. Agree with above answer. Hodgkin's lymphoma is named after sir thomas hodgkin, a british pathologist who first described abnormalities in the lymph system in 1832. First known as "hodgkin's disease" now called "hodgkin's lymphoma" it is characterized by multinucleated "reed–sternberg" cell. Radiation therapy was the first to cure hodgkin's even prior to the development of multiagent chemotherapy.