Ian Graham Gass, FRS, geologist, was Professor of Earth Sciences and Head of Discipline at the Open University, Milton Keynes and he was President of the IAVCEI

International Association of Volcanology and Chemistry of the Earth's Interior

The International Association of Volcanology and Chemistry of the Earth's Interior, or IAVCEI, is an association that represents the primary international focus for research in volcanology, efforts to mitigate volcanic disasters, and research into closely related disciplines, such as igneous...

 (1983–87). He was married to Mary Pearce (1955, one son, one daughter).

At the close of the 1960s, a scientific revolution occurred changing the static Geology into a dynamic Earth Science. By showing that the Troödos Mountains

Troodos Mountains

Troodos is the biggest mountain range of Cyprus, located in the center of the island. Troodos' highest peak is Mount Olympus at 1,952 metres.The Troodos mountain range stretches across most of the western side of Cyprus...

, Cyprus

Cyprus

Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

 is a remnant of seafloor spreading

Seafloor spreading

Seafloor spreading is a process that occurs at mid-ocean ridges, where new oceanic crust is formed through volcanic activity and then gradually moves away from the ridge. Seafloor spreading helps explain continental drift in the theory of plate tectonics....

, Ian Gass collaborated in that transformation.