Henry Bowet, Archbishop of York was from 1407-1423, depicted in window northwest choir aisle, York Minster, c. 1420-1435. © Raguin/MMK   Henry Bowet's episcopate lasted for 17 years, during which he supported the construction of probably 17 of the Minster's windows, including the largest in the choir, the St. William and the St. Cuthbert windows.