Sci-fi author Asimov feared embarrassment might come out of one project, so he decided to create an alter ego.

From what he originally called the fix-up sci-fi collection to the words he invented in its stories, here’s what you need to know about Asimov’s ‘I, Robot,’ which turns 75 this year.

If there was one author Henry Bott disliked more than any other, it was Isaac ... key change. Asimov had named David Starr after his unborn son: His wife was pregnant as he was writing the book.