San Francisco Ballet School Mateo, and Oakland. After Bolm left in 1937, new Opera ballet mistress Mildred Hirch added a fencing master during her year-long direction; Willam Christensen, previously director of the Oakland Branch School, became SF Opera ballet master and full school director in 1938. As San Francisco Opera Ballet expanded its touring schedule, it became increasingly difficult for Christensen to serve in both of his professional capacities. In 1940, his brother Harold Christensen took over the position of school director. In 1942, the two Christensen brothers purchased both the ballet company and the school from the Opera Association, renaming the company San
Ferries of San Francisco Bay Jack London Square is today, fronting on what is today called the Oakland Estuary, an inlet of San Francisco Bay. The estuary, which in the 1800s included what is today's Lake Merritt, was the "creek". In 1851, Captain Thomas Gray, grandfather of the famous dancer Isadora Duncan, began the first regular ferry service to San Francisco from the East Bay. The first railroad ferries on San Francisco Bay were established by the San Francisco and Oakland Railroad and the San Francisco and Alameda Railroad (SF&A) which were taken over by the Central Pacific Railroad (CPRR) in 1870 to become an