Young Man from Elsewhen

A man opens his door to his older self, who explains how he will build a time machine that nobody ever invented. Lester del Rey's 1951 story is a perfect little time paradox.

Lester del Rey

A convict is sent two hundred years into the past to kill the founder of a movement, carrying the man's own skull to recognize him. A 1952 Philip K. Dick story whose ending loops back on itself.

Philip K. Dick

Over drinks, a reporter tells the story of a New Yorker who built a time machine to visit old New Amsterdam, and of the woman he brought back. A 1953 tale by August Derleth with a chilling last line.

August Derleth