Ockham's Razor or Occam's Razor

Robert Grosseteste Grosseteste worked on geometry, optics and astronomy. In optics he experimented with mirrors and with lenses. He believed that experimentation must be used to verify a theory by testing its consequences.

William of Ockham Philosopher, theologian, and polemicist. William of Ockham was a vigorous, critical and independent thinker, and at the same time a theologian in the Augustinian-Franciscan tradition. He contributed to the development of formal logic, and a logician's approach runs through all his work. He made much use of the principle of economy ('Ockham's razor').

Ockham's razor asserts that simplicity is preferred to complexity in design. Many variations of the principle exist each adapted to address the particulars of a field or domain of knowledge. A few examples include: Universal Principles of Design by William Lidwell, Kritina Holden and Jill Butler