Jean Nidetch Dies at 91; Co-Founder of Weight Watc… 04/29/2015 Dr Wingnut Tweets Comments Off on Jean Nidetch Dies at 91; Co-Founder of Weight Watc… Jean Nidetch Dies at 91; Co-Founder of Weight Watchers. Thanks for my life back, Jean! nytimes.com/2015/04/30/bus…