Medieval petitions and 17th-century astronomers
Mark Ormrod gives a colourful insight into medieval petitions; Christopher Lewis and Alison Boyle discuss two of the 17th century’s greatest astronomers: Galileo and Thomas Harriot

Mark Ormrod gives a colourful insight into medieval petitions; Christopher Lewis and Alison Boyle discuss two of the 17th century’s greatest astronomers: Galileo and Thomas Harriot