What artist painted a portrait of a field of sunflowers?

The artist known for painting a series of sunflower portraits is Vincent Van Gogh. He created multiple works featuring sunflowers, with one of the most famous being "Vase with Fifteen Sunflowers," painted in 1888. Van Gogh's vibrant use of color and expressive brushwork captures the beauty and vitality of these flowers. His sunflower paintings are celebrated as masterpieces of post-impressionism.