Are You Familiar With The Word "Robot"?

Spotted an RT (which means "ReTweet" for all you non-Twitter-folk) on ChocolateSoop's twitter-stream from GuyDavisART which read: "the term "Robot" was introduced into the vocabulary 90 years ago today Raise a glass to your favorite mechanical pals!"And while I had not gone and checked the authenticity of such a notion, I had thought to gratuitously post pics of various robot sketches I had