Vásárhelyi Győző, known as Victor Vasarely was an artist who is often regarded as the father of Op Art. He began to study medicine in Hungary, but left the race after two years. Wikipedia--Slide sequence alt to willowisp -conc.
Geometric patterns are very IN for 2014 From Fast Company: The Pattern Library: A Great New Resource For Designers. Whether looking for a wallpaper pattern for your iPhone or your living room, the pattern library is a fun resource.