I'm trying to figure out who coined the term "machine learning". An ancillary question is from where is Arthur Samuel cited as defining the field of "machine learning" in 1959 as:
the field of study that gives computers the ability to learn without being explicitly programmed
You can find many, many references to this definition on the internet, but I haven't been able to track down the source. Some give it as his 1959 paper on checkers, but I don't find any such definition there.