Aaron is a prophet, high priest, and the brother of Moses. He is depicted in this engraving entering the Holy Place on the Day of Atonement. The day of Atonement also known as Yom Kippur is the holiest day of the year in Judaism. It centers around atonement and repentance and involves a 25 hour fasting period and intensive prayer. The engraving depicts him with a candlestick, altar of incense and the table of shewbread. Date: