James L. FranklinChicago, Illinois, United States Rembrandt Harmenszoon van Rijn’s Tobias Healing his Father’s Blindness, painted in 1636, depicts the climactic moment in the Book of Tobit when Tobias returns to his father’s home and instills the gall (bile) he had taken from a giant fish into his blind father’s eyes, thereby restoring his sight.1…