The initial museum organization was called the Houston Museum and Scientific Society, Inc., and was created in 1909. Originally located in the City Auditorium building in downtown, the museum moved to a building within Houston Zoo in 1929. The museum's primary collection was acquired between 1914 and 1930. The museum's now extensive education programs began in 1947, and by its second year, it was hosting 12,000 children a year. In March 2012 the Wortham IMAX Theatre was converted from 70 mm film to 3D digital and renamed the Wortham Giant Screen Theater.[6]