Why did Vincent van Gogh become famous after death?

Vincent Van Gogh became famous after his death primarily due to the posthumous promotion of his work by his brother, Theo’s widow, Johanna van Gogh-Bonger, who dedicated her life to showcasing his art. His unique style, characterized by bold colors and emotive brushwork, resonated with the emerging modern art movements. Additionally, the rise of interest in Expressionism and the rise of art movements that valued emotional depth and individual perspective further solidified his legacy. Over time, his paintings gained immense popularity, leading to their recognition as masterpieces.