Join as an Ri Member

  • Dancing at the Ri
    Credit: Katherine Leedale
  • Ri members
    Credit: Katherine Leedale

Ri Membership

Our members are at the heart of the Ri and their support is vital in helping us deliver our mission to encourage people to think more deeply about the wonders and applications of science. By becoming an Ri Member, you will join a community of like-minded people who share a curiosity and passion for science.

Membership benefits include:

  • FREE tickets for our Discourses
  • Invitations to pre-Discourse drinks receptions
  • 50% discount on tickets for Ri talks*
  • Exclusive access to the CHRISTMAS LECTURES ticket ballot
  • 10% discount in the Ri Café and on Ri venue hire**
  • What’s On guide delivered straight to your door three times a year
  • Voting rights and use of MRi as post-nominal letters

We regularly team up with other cultural institutions to help you maximise the value of your membership. Recent collaborations include the Science Museum, Natural History Museum and Royal Museums of Greenwich. Find out about our current member offers here.

Annual subscription: £75
A concessionary rate is available for those between the ages of 18 and 26.


Buy as a gift


We will send you a renewal notice by email 28 days in advance of your renewal date, please follow the instructions within to pay online. We will also send you further reminders closer to your renewal date. Alternatively please contact the Ri Membership team on 020 7491 6588 or at


For more information, please visit our membership FAQ pages or contact the Ri Membership team at or by calling +44 (0)20 7491 6588 Monday to Friday between 9.30am and 5.30pm.

What our members say

  • The Ri is the Wembley, Twickenham and Lords of science. Every time I go to an event there the atmosphere and the history of the place is truly inspiring.

    Ri Member

* Excluding CHRISTMAS LECTURES and special events. 
** Discount on Ri venue hire is applicable on bookings for personal use only.

 CHRISTMAS LECTURES® is a registered trademark.