There’s a chapter in my book Not Even Wrong about “The Bogdanov Affair”, and quite a few blog postings here referred to the twins and their activities related to theoretical physics. The motivations for writing about them were always two-fold. That they had managed to get more or less nonsensical papers published in reputable physics journals in 2001-2 (Annals of Physics and Classical and Quantum Gravity) raised important questions about how one evaluates speculative theoretical physics research. . .  " https://www.math.columbia.edu/~woit/wordpress/