<P> The American William Stewart Halsted (1852--1922) pioneered the radical mastectomy, and designed a residency training program for American surgeons . He has been called "the most innovative and influential surgeon the United States has produced", and also the "father of modern surgery". </P> <Table> <Tr> <Td> Statue of Suśruta in Haridwar </Td> <Td> al - Zahrawi </Td> <Td> </Td> <Td> Ambroise Paré </Td> <Td> Hieronymus Fabricius </Td> </Tr> <Tr> <Td> John Hunter </Td> <Td> Philip Syng Physick </Td> <Td> Joseph Lister </Td> <Td> Theodor Billroth </Td> <Td> William Stewart Halsted </Td> </Tr> </Table> <Tr> <Td> Statue of Suśruta in Haridwar </Td> <Td> al - Zahrawi </Td> <Td> </Td> <Td> Ambroise Paré </Td> <Td> Hieronymus Fabricius </Td> </Tr> <Tr> <Td> John Hunter </Td> <Td> Philip Syng Physick </Td> <Td> Joseph Lister </Td> <Td> Theodor Billroth </Td> <Td> William Stewart Halsted </Td> </Tr>

Who is the barber surgeon known as the father of modern surgery