Complex sentence: Hans Baldung Grien's work depicting witches was produced in the first half of the 16th century, prior to when witch hunting became a widespread cultural phenomenon in Europe, thus Baldung's work was not representative of cultural beliefs at the time of creation but individualistic choices.
Split into simpler sentences: Hans Baldung Grien's work depicting witches was produced in the first half of the 16th century, prior to when witch hunting became a widespread cultural phenomenon in Europe. Thus, Grier's work is not representative of cultural beliefs at the time of creation but individualistic choices.