William Steinway | |
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| Born | Wilhelm Steinweg March 5, 1835 |
| Died | November 30, 1896 (aged 61) New York City, U.S. |
| Other names | Wilhelm Steinweg |
| Known for | Establishing the success in marketing of the company Steinway & Sons |
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William Steinway, also known as Wilhelm Steinway (born Wilhelm Steinweg; March 5, 1835 – November 30, 1896), son of Steinway & Sons founder Henry E. Steinway, was a businessman and civic leader who was influential in the development of Astoria, New York.