Stained glass window from the Marienkirche in
Hanau, attributed to Master W. B. The windows were heavily damaged by
World War II bombing.
Master W. B. (
fl. late 15th century in
Mainz) was an
anonymous German painter,
engraver, and
stained glass designer of the late Gothic era. He has been tentatively identified as Wolfgang Beurer, about whom very little is known.
References
Schmidt, Hans M.; J. P. Filedt Kok.
"Masters, anonymous, and monogrammists." In Grove Art Online. Oxford Art Online, (accessed January 27, 2012; subscription required).