
Title
Man in front of blackboard with formulas.
Caption
Man in front of blackboard with formulas.
Info+
Photo Tom Grill
Date
2012
Credit line
Photo12/Tetra Images
Reference
TTM12A35_472
Model release
Yes
License type
Royalty free
Available size
50,0Mb (1,1Mb) / 17,2in x 11,3in / 5147 x 3397 (300dpi)