This Expressionistic painter was tormented by the misery of humanity and tried to express his feelings about the universe?

The Expressionistic painter you're referring to is likely Edvard Munch. He is best known for his iconic work "The Scream," which captures profound anxiety and existential dread. Munch's art delves into themes of love, death, and existential angst, reflecting his personal struggles and a deep sense of the human condition. His work seeks to convey the emotional experiences of life, often highlighting the darker aspects of existence.