'''Henry Pickering Bowditch''' ([[1840]]-[[1911]]) was an American [[physiologist]] known for his physiological work on cardiac contraction and knee jerk.<ref>{{citebook|title=The Cambridge Encyclopedia of Human Growth and Development|first1=Stanley J.|last1= Ulijaszek|first2= Francis E.|last2= Johnston|first3= M. A. |last3=Preece|publisher=Cambridge University Press|year=1998|ISBN=0521560462}}</ref><ref>[http://vlp.mpiwg-berlin.mpg.de/references?id=per171 Short biography, bibliography, and links on digitized sources] in the Virtual Laboratory of the Max Planck Institute for the History of Science</ref><ref>{{citebook|title=Later Years of the Saturday Club 1870-1920|first=Mark A. |last=Howe|publisher= Ayer Publishing|year= 1968|ISBN=0836905482}}</ref>
'''Henry Pickering Bowditch''' ([[1840]]-[[1911]]) was an American [[physiologist]] known for his physiological work on cardiac contraction and knee jerk.<ref>{{citebook|title=The Cambridge Encyclopedia of Human Growth and Development|first1=Stanley J.|last1= Ulijaszek|first2= Francis E.|last2= Johnston|first3= M. A. |last3=Preece|publisher=Cambridge University Press|year=1998|ISBN=0521560462}}</ref><ref>[http://vlp.mpiwg-berlin.mpg.de/references?id=per171 Short biography, bibliography, and links on digitized sources] in the Virtual Laboratory of the Max Planck Institute for the History of Science</ref><ref>{{citebook|title=Later Years of the Saturday Club 1870-1920|first=Mark A. |last=Howe|publisher= Ayer Publishing|year= 1968|ISBN=0836905482}}</ref>
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Bowditch is also known for establishing the [[all or none law]].
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