"Non-representational painting was one of the most radical artistic innovations of the twentieth century. Abstract painting was created independently by three great pioneers - the experimental innovators Kandinsky and Mondrian, and the conceptual Malevich - virtually simultaneously, in the years...

Psychologists have not considered wisdom and creativity to be closely associated. This reflects their failure to recognize that creativity is not exclusively the result of bold discoveries by young conceptual innovators. Important advances can equally be made by older, experimental innovators....

"Irving Berlin, Cole Porter, and other songwriters of the Golden Era wrote popular songs that treated common topics clearly and simply. During the mid-1960s Bob Dylan, John Lennon, and Paul McCartney created a new kind of popular music that was personal and often obscure. This shift, which...