This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
John Tyndall scientist. John Tyndall August December Irish natural philosopher Uploaded to en as PDold on June by en User Magnus Manske Taken from sil si edu cfm startrecord collections scientists and inventors gallery at sil si edu PDold John Tyndall Lock Oval portraits of men
Page 2023 Free-images.com. All images are Public Domain