![Dr. Tom Callahan on Twitter: "Quote of the Day: In all science, error precedes the truth, and it is better it should go first than last. Hugh Walpole #wiersma #bio" Dr. Tom Callahan on Twitter: "Quote of the Day: In all science, error precedes the truth, and it is better it should go first than last. Hugh Walpole #wiersma #bio"](https://pbs.twimg.com/profile_images/1314003274870280192/RXrvwPVP_400x400.jpg)
Dr. Tom Callahan on Twitter: "Quote of the Day: In all science, error precedes the truth, and it is better it should go first than last. Hugh Walpole #wiersma #bio"
Animal Hospital of Dunedin - Meet Dr. Tom Callahan Dr. Callahan is a Florida native and graduated from the University of Florida. He has been practicing high quality veterinary medicine in the
![Ted Jaleta on Twitter: "Congratulations to Ann Thomas Callahan honorary degree recipient at the U of R Convocation. Ann is an inspiration http://t.co/Q6xk0o0wfs" / Twitter Ted Jaleta on Twitter: "Congratulations to Ann Thomas Callahan honorary degree recipient at the U of R Convocation. Ann is an inspiration http://t.co/Q6xk0o0wfs" / Twitter](https://pbs.twimg.com/media/CGxgxWqUgAAfihr.jpg)
Ted Jaleta on Twitter: "Congratulations to Ann Thomas Callahan honorary degree recipient at the U of R Convocation. Ann is an inspiration http://t.co/Q6xk0o0wfs" / Twitter
![Stream ESPN Cleveland .com Tony Grossi joins the Tom Callahan Show on 2-3-15 by thegamenashville.com | Listen online for free on SoundCloud Stream ESPN Cleveland .com Tony Grossi joins the Tom Callahan Show on 2-3-15 by thegamenashville.com | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-000105517097-k4qb0x-t500x500.jpg)