Fil:H-Trendley-Dean.jpeg
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Størrelse på denne forhåndsvisningen: 429 × 599 piksler. Andre oppløsninger: 172 × 240 piksler | 344 × 480 piksler | 842 × 1 175 piksler.
Opprinnelig fil (842 × 1 175 piksler, filstørrelse: 155 KB, MIME-type: image/jpeg)
Beskrivelse
| Beskrivelse |
English: H. Trendley Dean, D.D.S. (1893–1962). Dean was a dental surgeon and epidemiologist who is associated with the introduction of community water fluoridation. |
| Dato | Date of photo unknown, but must be by 1962-05-13, the date of Dean's death, and is almost certainly by 1953, the year Dean retired. Date of publication as a work of the U.S. Federal Government is 1999-10-22.[1] |
| Kilde | The photo is a cropped version of the original, which is Order Number B010350 in the National Library of Medicine. The photo was reprinted in page 935 of: Division of Oral Health, National Center for Chronic Disease Prevention and Health Promotion, CDC (1999). "Achievements in public health, 1900–1999: Fluoridation of drinking water to prevent dental caries". MMWR Morb Mortal Wkly Rep 48 (41): 933–40. |
| Opphavsperson | U.S. Federal Government. Photographer is unknown. |
| Tillatelse (Gjenbruk av denne filen) |
No known restrictions on publication. The National Library of Medicine believes this item to be in the public domain. |
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped, healed to fix minor defects, and converted to JPEG (quality level 88), with the GIMP 2.6.6. Modifications made by Eubulides.
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Lisensiering
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This file is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made as part of an employee's official duties. As a work of the U.S. federal government, the file is in the public domain.
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| Dato/klokkeslett | Miniatyrbilde | Dimensjoner | Bruker | Kommentar | |
|---|---|---|---|---|---|
| nåværende | 29. sep. 2025 kl. 01:43 | | 842 × 1 175 (155 KB) | wikimediacommons>Hohum | Less blowout |
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