John Wallis – the Sermons, and his Letter to Robert Boyle “Teaching a person Dumb and Deaf to speak” » Wallis 2 Wallis-2.jpg This entry was posted on Monday, August 1st, 2016 at 4:55 pm and is filed under . You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed. Leave a Reply Name (required) Mail (will not be published) (required)