On the coverWhen Pablo Picasso was in his mid-20s, he created this self-portrait—and he and Georges Braque, his artistic soul mate, invented the art form known as cubism. ©2018 ESTATE OF PABLO ...

In 1909 when Picasso and Braque made their first forays into what would later be called Cubism, critics were less than overwhelmed; their reactions ranged from "ugly" to "grotesque." But within ...