Roger Tomlinson

Roger Tomlinson. Archival Photograph from the Tomlinson Collection, Geography and Map Division, Library of Congress.

Who is the Father of GIS?

Caitlin Dempsey

Roger Tomlinson, known as the "Father of GIS," coined the term "geographic information systems."

John Snow's 1854 Cholera Map.

A Brief History of GIS

Caitlin Dempsey

From the early days in Canada to the high tech world of internet mapping, the field of GIS is older than you may think.

Roger Tomlinson, 1967.

Sunday Maptinee: Data for Decisions

Caitlin Dempsey

In honor of Roger Tomlinson (1933-2014), who recently died, this edition of Sunday Maptinee features Data for Decisions, a video ...

Roger Tomlinson, Father of GIS, Has Died

Caitlin Dempsey

Roger Tomlinson was a central figure in the development of GIS.

Roger Tomlinson, 1967.

Who Coined the Phrase Geographic Information System?

Caitlin Dempsey

The phrase Geographic Information System was a term promoted by Roger Tomlinson back in the 1960s.