Hippolyte Jean Flandrin ( 1809 - 1864 ) was a French painter. Hippolyte Jean Flandrin s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 165.86 USD for Homme agenouillé priant in 2004 to 60263.37 USD for Les bergers de Virgile. in 2007 , based on the size and medium of the artwork.