This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Changed to JPEG, per request of user:The_Tetrast (see my talk page). The original can be viewed here: Charles Sanders Peirce.png: . Modifications made by Ori.livneh.

This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties. العربية ∙ čeština ∙ Deutsch ∙ Zazaki ∙ English ∙ español ∙ eesti ∙ suomi ∙ français ∙ hrvatski ∙ magyar ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ മലയാളം ∙ Plattdüütsch ∙ Nederlands ∙ polski ∙ português ∙ română ∙ русский ∙ sicilianu ∙ slovenščina ∙ Türkçe ∙ Tiếng Việt ∙ 简体中文 ∙ 繁體中文 ∙ +/−

Original upload log

This image is a derivative work of the following images:

• File:Charles_Sanders_Peirce.png licensed with PD-USGov
  • 2010-05-12T17:18:58Z Ori.livneh 720x1080 (339607 Bytes) {{Information |Description=Charles Sanders Peirce. Great philosopher, scientist, and mathematician. Served 30 years with the Coast and Geodetic Survey. |Source=*[[:File:Charles_Sanders_Peirce_theb3558.jpg|]] |Date=2010-05-12

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