“You do not really understand something unless you can explain it to your grandmother”!?
This was probably said by Feynman. I’m pretty sure because I have an auditory memory of him saying it in a video … but I can’t remember which one, and wonder if perhaps I read it after all in his Lectures.
IIRC, in the Lectures he says “to a freshman” not “to your grandmother”. It allegedly was Einstein who said “to your grandmother” (and Rutherford said “to a bartender”, and [someone else] said “to [someone else]” and so on).
This was probably said by Feynman. I’m pretty sure because I have an auditory memory of him saying it in a video … but I can’t remember which one, and wonder if perhaps I read it after all in his Lectures.
IIRC, in the Lectures he says “to a freshman” not “to your grandmother”. It allegedly was Einstein who said “to your grandmother” (and Rutherford said “to a bartender”, and [someone else] said “to [someone else]” and so on).