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Volume 32, Number 6—June 2026

Photo Quiz

Photo Quiz

Who is this person and what did he accomplish?

Here is a clue: He devised high-powered microscopes that extended our perception beyond the naked eye to the microbial world.

Who is he?

1. Robert Hooke

2. Jan Swammerdam

3. Thomas Molyneux

4. Antony van Leeuwenhoek

5. Nicolaas Hartsoeker

Decide first, then see the next page for the answer.

Page created: May 12, 2026
Page updated: May 12, 2026
Page reviewed: May 12, 2026
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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