Gaspard Félix Tournachon Nadar ( 1820 - 1910 ) was a French painter. Gaspard Félix Tournachon Nadar s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 392.56 USD for Georges Sand in 2004 to 542500 USD for Pierrot with Fruit in 2011 , based on the size and medium of the artwork.