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    Photograph of Frank B. Walsh, 1974

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    Photograph of Frank B. Walsh, 1974. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of Frank B. Walsh, 1974

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    Photograph of Frank B. Walsh, 1974. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of Frank B. Walsh, 1968

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    Photograph of Frank B. Walsh on his birthday, 1968. Also pictured is Marie Caltrider, Dr. Walsh\u27s secretary of over twenty years. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of Frank B. Walsh, Lima, Peru, September 3, 1965

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    Photograph of Frank B. Walsh, Lima, Peru, September 3, 1965. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of Frank B. Walsh and Sue Ellen Young, 1974

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    Photograph of Drs Frank B. Walsh and Sue Ellen Young, 1974. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of Frank B. Walsh and Marie Caltrider, 1974

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    Photograph of Frank B. Walsh and Marie Caltrider, Dr. Walsh\u27s secretary of over twenty years, 1974. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of William F. Hoyt and Frank B. Walsh, Baltimore, MD, July 1967

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    Photograph of William F. Hoyt and Frank B. Walsh, Baltimore, MD, July 1967. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Photograph of Frank B. Walsh and Eila Mustonen, October 18, 1968

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    Photograph of Drs Frank B. Walsh and Eila Mustonen (Neuro-ophthalmology fellow), October 18, 1968. Frank B. Walsh, MD (1895-1978) was a Canadian-American neuro-ophthalmologist. He authored the first two editions of "Clinical Neuro-Ophthalmology," and the third edition alongside William Hoyt, MD. Dr. Walsh is considered to be the father of neuro-ophthalmology. The first meeting of the Frank B. Walsh Neuro-ophthalmology Society was held in 1969, and in 1992 the Walsh Society became a subgroup of the North American Neuro-ophthalmology Society.curriculum_fello

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
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