It was made in tempera on panel . It is located in Louvre, Paris . The artist of Judith Slaying Holofernes was René Magritte . This was made in 1548 . The painting Judith Slaying Holofernes is 194.3 cm by 64.13 cm and 330.0 inch by 175.3 inch
René Magritte made a painting in 14th century