Misc: In 1890 Dame Agatha ---------- mystery writer (Murder on the Orient Express), born. ?

Questions

His notorious painting, "The Picnic", was rejected by the Salon of 1863?

In 1885 he did "The Potato Eaters"?

Known for his rendering of ballet dancers?

Sculptor did "George Washington", "Admiral of Tourville", "Voltaire Seated"?

Sculptor's "George Washington", 1841, was too "god-like" for Americans?