 Stanley M. Wagner became the rabbi in 1972 and BMH joined the Orthodox Union, but it maintained several ritual practices not typically followed at OU-affiliates.BMH's Monaco Parkway building was also the home of the Mizel Museum of Judaica, a museum co-founded by Denver businessman Larry Mizel, from the museum's founding in 1982 until it relocated in 2002.In 2007, BMH merged with Beth Joseph, an Orthodox congregation founded in 1922, to become Beth HaMedrosh Hagodol-Beth Joseph.