<human>:  Who was the founder of anti-realism?
<bot>: The founder of anti-realism is usually considered to be Bertrand Russell. In his book, The Problems of Philosophy, Russell argues that there are many philosophical problems that are not amenable to solution. He writes, "There are many problems which seem to me to be insoluble; and there are many which seem to me soluble, but which nobody has ever been able to solve."