1) American art dealer 
M Knoedler & Co was an art dealership in New York City founded in 1846. When it closed in 2011, it was one of the oldest commercial art galleries in the US, having been in operation for 165 years. ==Management== Knoedler dates its origin to 1846, when French dealers Goupil & Cie opened a branch in New York. Michel (later Michael) Knoedler (1823-18...