Ingpen & Williams International Artists' Management, founded in London in 1946, was a British classical music talent management agency. It was named for founders Joan Ingpen and her dog Williams, a dachshund. Ingpen, conductor Georg Solti's agent during the 1950s, became artistic administrator of the Royal Opera House in Covent Garden in 1961 at Solti's request, after which Ingpen & Williams was managed by Howard Hartog, editor of European Music in the Twentieth Century. Joan Ingpen died December 29, 2007, aged 91.