Individual letter package from the Science category of Arts in Letters, featuring American scientists Charles Coryell to Linus Pauling. You'll receive a transcription of an actual letter written by Coryell to Pauling discussing activities in Pauling's lab while he was away, accompanied by biographical and background information and images of their works, mailed to you in a letter envelope. This letter package was previously sent to subscribers and will not be sent out again. Letters ordered by Wednesday at midnight CST will be sent out Saturday, with our regular weekly mailing.