Others include Gordon Roddick, the widower of Body Shop founder Anita Roddick, from the Roddick Foundation, and Thomas Hughes-Hallett, of the Emily Hughes-Hallet Fund and also chief executive of Marie Curie Cancer Care charity, and Marcelle Speller of Localgiving.com.
The exchanges came just two days after Labour called for an investigation into the way the government used quotes from work by academics professors Andrew Hughes Hallet and Drew Scott, claiming phrases had been changed to make the case for increased devolution.