In 1927, Ernest Oppenheimer, a German immigrant to Britain who had earlier founded mining giant Anglo American plc with American financier J.P. Morgan, managed to wrest control of the empire, building and consolidating the company's global monopoly over the diamond industry until his retirement.
Ernest Oppenheimer managed to wrest control of the empire. This was in 1927. Control of the empire was building and consolidating the company's global monopoly over the diamond industry until his retirement. Ernest Oppenheimer was a German immigrant to Britain. This German immigrant to Britain had earlier founded mining giant Anglo American plc with American financier J.P. Morgan.