He was also a philosopher, Christian apologist, playwright, and poet.
他还是一位哲学家 、 护教家 、 剧作家和诗人.
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He also an enthusiastic apologist for federated identity and a board member of the OpenID Foundation.
他也是一位热心的联合身份的辩护者以及OpenID基金会的委员会成员.
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"an apologist for capital punishment"