Abstract
Franz Kaspar Hasselbach (1759-1816) was an eminent anatomist and surgeon, remembered for his invaluable contributions in fields of anatomy and surgery. He gave accurate discription of triangle of Hasselbach made almost 200 years back, and it forms the basis of classification of inguinal hernia and is the cornerstone for laparoscopic repair of hernia, unheard of in his era. He has a number of eponyms named after him.