An isolated human in a simple society is usually a dead human... - Peter Farb

There are strong parallels between the hope for salvation of the Jews and the hopes of the Indians who followed native prophets, between the early Christian martyrs and the Indian revolts against United States authority, between the Hebrew and the [native American] Indian prophets. ...the Jews and early Christians have served as models for oppressed peoples from primitive cultures... Almost everywhere the White missionary has penetrated, primitive people have borrowed from his bible those elements in which they saw a portrayal of their own plight...They regard the arrest and execution of a native on charges of being a rebel against White authority in the same terms as the trials undergone by the Hebrew prophets or the passion of Jesus.

To say that the invention "was in the air" or "the times were ripe for it" are just other ways of stating that the inventors did not do the inventing, but that the cultures did.

About 1932 one of Sapir's students at Yale, Benjamin Lee Whorf drew on Sapir's ideas and began an intensive study of the language of the Hopi Indians of Arizona. Whorf's brilliant analysis... seemed to support the view that man is a prisoner of his language. Whorf emphasized grammar—rather than vocabulary, which had previously intrigued scholars—as an indicator of the way a language can direct a speaker into certain habits of thought.