Jehan Yperman

Jan or Johan or Jehan Yperman (c. 1260 – c. 1331) was a Flemish surgeon and the first medical writer in Dutch. Yperman may have studied in Paris under Lanfranco da Milano, since he often mentions him in his writings.^[1]

References

1. Plinio Prioreschi A History of Medicine: Medieval Medicine 1996 - Page 495 "Jehan Yperman (c.1260-c.1331), a Flemish surgeon called the Father of Netherlandish surgery, was probably born in or near Ypres and may have studied in Paris under Lanfranco da Milano, whom he often mentions in his work."