Several robot stories have been written by other authors following Asimov's death.

Meanwhile, it had also occurred to me that I could write robot stories for Campbell.

This is the first robot story I wrote.

The next important robot story appeared in the March 1942 issue of Astounding.

No one had wanted to believe the robot story, anyway.

In this connection, you may wish to read my robot stories.

It was his first robot story and writing commenced on June 10, 1939.

I did do so, however, in my next robot story, ?

Only one robot short story has been written since this collection appeared.

The robots I have pictured in my early robot stories were machines.