In the first half of the 20th century, Sweden created for itself a strong presence in the world of cryptography. Whether this process was the consequence of actions by individuals or followed from the general industrial and cultural advancements is arguable. Perhaps, both played a role.

中文翻译：

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瑞典密码学 I

在 20 世纪上半叶，瑞典在密码学领域为自己创造了强大的影响力。这个过程是个人行为的结果还是普遍的工业和文化进步是有争议的。也许，两者都发挥了作用。