 Ingres ' portrait of Bertin was a critical and popular success , but the sitter was a private person . Although his family worried about caricature and disapproved , it became widely known and sealed the artist 's reputation . It was praised at the Paris Salon of 1833 , and has been influential to both academic painters such as Léon Bonnat and later modernists including Pablo Picasso and Félix Vallotton . Today art critics regard it as Ingres ' finest male portrait . It has been on permanent display at the Musée du Louvre since 1897 . 
 Ingres <a href='null_genetive' title='1'><mark>'</mark></a>portrait of Bertin was a critical and popular success , but the sitter was a private person . Although his family worried about caricature and disapproved , it became widely known and sealed the artist <a href='null_genetive' title='2'><mark>'s</mark></a>reputation . It was praised at the Paris Salon of 1833 , and <a href='uninflect' title='3'><mark>has</mark></a> been influential to both academic painters such as Léon Bonnat and later modernists including Pablo Picasso and Félix Vallotton . Today art critics regard it as Ingres <a href='null_genetive' title='4'><mark>'</mark></a>finest male portrait . It <a href='uninflect' title='5'><mark>has</mark></a> been on permanent display at the Musée du Louvre since 1897 . 
Ingres  portrait of Bertin was a critical and popular success , but the sitter was a private person . Although his family worried about caricature and disapproved , it became widely known and sealed the artist  reputation . It was praised at the Paris Salon of 1833 , and have been influential to both academic painters such as Léon Bonnat and later modernists including Pablo Picasso and Félix Vallotton . Today art critics regard it as Ingres  finest male portrait . It have been on permanent display at da Musée du Louvre since 1897 .