בנגמין גראהם

I'm sorry, but there seems to be a misunderstanding. There is no well-known author by the name of בנגמין גראהם in mainstream literature. It's possible that this author is not widely recognized or is known within a specific niche or community. If you could provide more context or details about this author, I would be happy to help you craft a paragraph or provide information based on the details you provide. Alternatively, if you meant to reference a different author or have any other questions, feel free to ask, and I'll do my best to assist you.

Books

המשקיע הנבון