Reza Sarhangi Professor of Mathematics, Towson University
Reza Sarhangi is interested in Persian geometric art and its
historical methods of construction, which he explores using the computer
software Geometer's Sketchpad.
Small business owner, puzzle designer, and artist, Tessellations Company
Robert Fathauer creates digital artworks on a Macintosh computer, primarily
using the commercial programs FreeHand and Photoshop.
“From Buzjani to Perigal ”
2008, Digital print, 18" x 14"
This print features several related geometric dissections. The image
at upper left, which demonstrates the dissection of a square to form two
smaller squares, is from a tretise by Abul-Wefa Buzjani (940-998). The
image at upper right, which demonstrates the dissection of a square to
form an 8-pointed star, is from an seven-century-old anonymous Persian
manuscript. This is closely related to a nineteenth-century swing-hinged
dissection by Henry Perigal in which a square is rearranged to form a
larger square with a square hole. Perigal's dissection is illustrated as
a puzzle in the lower center and lower right figures in the print. The
lower left figure is a modification of Buzjani's dissection that can
form the same central figure using a swing-hinged motion.