John French Sloan (1871–1951) was an American painter, illustrator, and printmaker best known as a leading member of the Ashcan School. He focused on everyday urban life in New York City, portraying ordinary people, bustling streets, cafés, theaters, and neighborhoods with honesty and warmth. Rather than idealizing his subjects, Sloan celebrated the energy and character of modern city life.

His paintings are known for their loose brushwork, rich atmosphere, and keen observation of light and daily human interactions. Influenced by Realism and Impressionism, Sloan created works that remain important records of early 20th-century American life.

Yeats at Petitpas 

Yeats at Petitpas' is one of John Sloan's most celebrated paintings, depicting a gathering of artists, writers, and intellectuals at Petitpas', a popular French restaurant and boarding house in New York City's Chelsea neighborhood.

At the center of the composition is John Butler Yeats, the Irish portrait painter and father of poet W. B. Yeats. Sloan admired Yeats as both a friend and mentor, portraying him at work while the other guests converse around him. The painting reflects the lively artistic community that flourished in New York during the early 20th century