Tate Modern’s new Modigliani exhibition will highlight the work of one of the most famously tormented artists of the 20th century, a visionary who transcended the boundaries of art at the time. Credited with modernising two of the most common themes in art history—the portrait and the nude—Amedeo Modigliani is, to this day, still one of the most famous avant-garde artists of the 20th century. Tormented by ill health for the majority of his life,...