How Flat Earth Theories Are Disproven by Scientific Expeditions The idea that the Earth is flat has been around for thousands of years.
Proponents throughout history have offered various explanations for why this must be so, often relying on a combination of myth, misconception, and selective interpretation of scientific findings.
Flat earth theories have been popularized by individuals and groups over the years. Gerardus Kremer, an 18th century Flemish cartographer, suggested that the Earth was actually a cylinder rather than a sphere.