The artistic community in Paris provided van Gogh with the support and inspiration he needed to push the boundaries and eagerly absorb the techniques and theories of the Impressionists, particularly their emphasis on capturing the fleeting effects of light and color. This led Van Gogh to adopt a brighter palette and looser brushwork, which we see in Portrait of Père Tanguy and The Hill of Montmartre with Quarry, but none more so than in Arles.
Is it conceivable that this is a snapshot depicting Vincent van Gogh? Why yes. The question of whether the individual positioned third from the left is van Gogh or not …