Richard Lemieuvre, known by the pseudonym Richard Allan (or by the nickname "Concrete Dick"), is a retired French pornographic actor. Allan is one of the leading male actors of the "golden age" of French pornography. After leaving the industry, he became a chocolatier opening a store with his wife in Le Neubourg. In addition to traditional sweets, he offers a range of "erotic chocolates". Also passionate about scuba diving, he founded the "Sharks in Peril" association with his daughter Alexa, whose objective is to defend the species