Harry Warner on making only dramas for the studio. The studio rebounded in 1921 with the success of the studio's film "Why Girls Leave Home"; The film's director, Harry Rapf, became the studio's new head producer. On April 4, 1923, following the success of the studio's film "The Gold Diggers", Warner Bros. Pictures, Inc. was officially established, with help from a loan given to Harry by Montly Flint. Harry became company president, with Albert as treasurer and Jack and Sam as co-heads of production. Harry and his family moved to Hollywood. The studio discovered a trained German Shepherd named Rin Tin Tin
Simmer and Jack Sarel Meyer. Simmer & Jack, a trading company in Harrismith which ran a shop in Chrissiesmeer had, a year earlier, acquired half of Meyer's farm. In September 1886 John Jack registered the mining rights on the farm to Simmer & Jack. With the founding of the company in August 1887 Simmer and Jack took on board the entrepreneur Sir George Farrar, whose family imported drilling equipment to South Africa. Also added to the team was Harry Struben who from 1884 had run a small gold mine in Roodepoort. The town of Germiston was established and named after John Jack's birthplace