The influential musician and producer ponders the nature of human creativity.

As one of the abstract styles developing in the 1960s, Optical illusion (or Op) Art features games of lines and geometric shapes in both black and white—like in the case of Bridget Riley, Jesús Rafael ...

Troy Segal is an editor and writer. She has 20+ years of experience covering personal finance, wealth management, and business news. Michael Logan is an experienced writer, producer, and editorial ...