
The Freemasons Tavern on Queen Street, London. The original building no longer exists.
It is now The Connaught Rooms

This illustration is in Robert Bakewell's book 'Introduction to Geology' (1813).

This published version, shown here is dated 1845.
Image credit: Duncan Hawley © CC-by-NC

Image credit: Marie Stopes International (with permission, in being used to further understanding about Dr Marie Stopes.)

Ignored for 20 years, Barrow's zones were to unlock the understanding of regional metamorphism, and, later, the identification of ancient subduction zones.
Welcome to the
History of Geology Group
HOGG
HOGG (The History of Geology Group)
…….exists to encourage and share interest in knowledge and study of the history of geology, encompassing the ideas, events and personalities that have shaped the way in which geology is understood and practised today.
Membership is open to anyone interested in how geological knowledge has developed and has been represented e.g. through geological maps or illustrations.
HOGG is a diverse and inclusive group. Our members are drawn from a wide range of backgrounds – there is no requirement to have geological credentials.
Amongst HOGG members are historians, artists, medics, teachers, linguists, archivists, amateurs and professionals.
We encourage interest from young people.
HOGG members enjoy a programme of regular activities: online talks, field meetings, conferences and symposia – they receive the acclaimed HOGG magazine GeoHistories , plus regular updates via a HOGG Bulletin, and benefit from a network of knowledgeable enthusiasts.
Click here to the Join HOGG page with more details of subscription rates and our simple joining instructions.
Outlines of upcoming HOGG events can be found here.
HOGG produce occasional publications
For the latest snippets on history of geology topics follow our Blue Sky feed.
HOGG is affiliated to the Geological Society of London
Upcoming HOGG Events:
21 January 2026
Unearthing the letters of William Smith
Online talk with Philippa Towler and Dr Kevin Privett
Registration open