Arthur Schopenhauer admired Lichtenberg greatly for what he had written in his notebooks. He called him one of those who "think ... for their own instruction", who are "genuine 'thinkers for themselves' in both senses of the words".[4] Other admirers of Lichtenberg's notebooks include Friedrich Nietzsche, Sigmund Freud, Ludwig Wittgenstein and Jacques Barzun.
It would almost have to be the case that with his method and notebooks being so well known that they influenced Niklas Luhmann's idea of a zettelkasten.