Theodoric's rainbow /
Kramer, Stephen P.
Duffy, Daniel M.,ill.
New York : Scientific American Books for Young Readers,
c1995.
Theodoric of Freiberg, a Dominican friar of the early fourteenth century, discovers how sunlight and drops of water make rainbows.
Theodoric of Freiberg, a Dominican friar of the early fourteenth century, discovers how sunlight and drops of water make rainbows.
Dietrich, von Freiberg, approximately 1250-approximately 1310