Henry Friesen

Henry George Friesen
Born(1934-07-31)July 31, 1934
DiedApril 30, 2025(2025-04-30) (aged 90)
Alma materUniversity of Manitoba
Known forDiscoverer of human prolactin
AwardsOrder of Canada
Order of Manitoba
Scientific career
FieldsEndocrinology
InstitutionsMcGill University
University of Manitoba

Henry George Friesen CC OM FRSC (July 31, 1934 – April 30, 2025) was a Canadian endocrinologist, a distinguished professor emeritus of the University of Manitoba and the discoverer of human prolactin, a hormone which stimulates lactation in mammary glands.