2. Great accomplishments!
• created the basic law of
refraction
• a way of measurinG earth by
trianGulations
• improved π (pi) estimation
• studied the path on the sphere
that makes constant anGle with
the meridians.
4. Background information
• Nationality- Dutch
• Family history-father was a scholar and
professor of mathematics at the University of
Leiden. Born into a small family
• Education- University of Leiden
• Positions held- began teach at the University of
Leiden
