| Nomination for Nobel Prize in Physiology or Medicine | 
| Year: | 1901 | 
| Number: | 49 - 0 | 
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| Nominee 1: 
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| Name: | Santiago  Ramon y Cajàl | 
| Gender: | M | 
| Year, Birth: | 1852 | 
| Year, Death: | 1934 | 
| Profession: | prof histology | 
| University: | Madrid | 
| City: | Madrid | 
| Country: | SPAIN (ES) | 
| Awarded the Nobel Prize in Physiology or Medicine 1906 | 
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| Nominee 2: 
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| Name: | Albert  von Kölliker | 
| Gender: | M | 
| Year, Birth: | 1817 | 
| Year, Death: | 1905 | 
| Profession: | prof anatomy | 
| University: | Würzburg | 
| City: | Würzburg | 
| Country: | GERMANY (DE) | 
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| Nominee 3: 
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| Name: | Wilhelm  His Sr | 
| Gender: | M | 
| Year, Birth: | 1831 | 
| Year, Death: | 1904 | 
| Profession: | prof anatomy | 
| University: | Leipzig University | 
| City: | Leipzig | 
| Country: | GERMANY (DE) | 
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| Motivation: | S. Ramon y Cajàl: Work on the fine structure of the spinal column; pioneering work on the structure of the brain in the vision and motor regions.
A. von Koelliker: One of the great names in anatomy; his work on the fine structure of the nervous system.
W. His: Second choice. Work in embryology, especially on the neuroblast, and the structure of the protoplasm. | 
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| Nominator: 
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| Name: | Gustaf M Retzius | 
| Gender: | M | 
| Year, Birth: | 1842 | 
| Year, Death: | 1919 | 
| Profession: | former prof | 
| University: | Karolinska Institutet | 
| City: | Stockholm | 
| Country: | SWEDEN (SE) | 
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| Comments: | Evaluation included C. Golgi, and was corroborated by S. E. Henschen. | 
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