发现丹尼斯·里奇遗失的博士论文（2020）
这篇文章讲述了计算机历史学家在2020年意外发现丹尼斯·里奇（Dennis Ritchie，C语言和Unix联合创始人）遗失的博士论文的故事。这篇论文写于1968年，主题是“程序结构与计算复杂性”，此前被认为已经丢失数十年。文章探讨了这一发现的过程，以及里奇早期学术工作对他后来在贝尔实验室开创性贡献的深远影响。
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