Peter Shaffer story of Wolfgang Amadeus Mozart and court composer Antonio Salieri who, overcome with jealousy at hearing the "voice of God" coming from an "obscene child", sets out to destroy his rival. When the show moved to Broadway it won the 1981 Tony Award for Best Play and, like "Equus", ran for more than a thousand performances. After the success of "Amadeus", Shaffer wrote the play "Lettice and Lovage" specifically for Dame Maggie Smith in 1986, for which he was nominated for another Tony Award and Dame Maggie Smith eventually won the Tony Award for best actress after three nominations in
Shaffer (company) Shaffer (company) Shaffer is a wholly owned subsidiary of National Oilwell Varco and is involved in the manufacturing and distribution of pressure control devices for the petroleum industry. The company's products include blowout preventers, control systems, riser string packages, choke valves, riser tensioners, and drill string compensators. The company was founded by William D. Shaffer in 1928 as Shaffer Tool Works. In 1968, it was sold to the Rucker Corporation, which became known as Rucker Shaffer. It was again sold in 1978 to NL industries, which became known as NL Shaffer. In 1979, NL Shaffer purchased Koomey Control Systems in