Sam Warner moving out in 1955. The HOA buildings, with the exception to Warner Gym, were demolished in 1956 to make way for the Jacob H. Schiff Park. Warner Gym can still be seen on 138th Street, close to Hamilton Place. An entrance vestibule just inside the side gate has a memorial stone from the Warner Family. Sam Warner Samuel Louis "Sam" Warner (born Szmuel Wonsal, August 10, 1887 – October 5, 1927) was an American film producer who was the co-founder and chief executive officer of Warner Bros. He established the studio along with his brothers Harry, Albert, and Jack L.
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