While this winter’s premier auctions for Old Master works at Christie’s and Sotheby’s in New York yielded better results year-over-year, overall sales totals failed to live up to the pre-sale ...

Review by Dan Hofstadter Read the review The restrictions and costs of professional licensing don’t apply only to doctors and lawyers. Hairdressers, decorators and others must deal with them too.

One of the most written-about Renaissance artists, da Vinci may also be among the most poorly understood.