Name three famous figures who were contemporaries of Galileo Galilei.
Three famous figures who were contemporaries of Galileo Galilei were Johann Kepler, William Shakespeare, and René Descartes.
Complete the following task based on the instruction and optional input provided.### Instruction:
Name three famous figures who were contemporaries of Galileo Galilei.

### Output:
Three famous figures who were contemporaries of Galileo Galilei were Johann Kepler, William Shakespeare, and René Descartes.