Tadanori Yokoo ( 1936 - ) is a Japanese Pop Art graphic designer, illustrator, printmaker and painter, greatly influenced by the renaissance of Western modernism. Tadanori Yokoo s works have been put up for auction numerous times, with realized prices greatly surpassing estimated prices, varying from 25 USD for WORD IMAGE in 2008 to a remarkable record 44000 USD for HAVING REACHED A CLIMAX AT