Problem
1. Look up Edsger W. Dijkstra on the Web. What did he invent?
2. As in every field, people in computer science build on one another's work.
• Who invented the Logo Turtle?
• Who used the Logo Turtle to have fourth graders learn about fractions in mathematics?
• Who invented a programming language that featured thousands of Logo Turtles in order to model complex behavior like ants and termites?