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Researcher · Smith College · United States

James J. Callahan

James J. Callahan publishes mostly in Astronomy and Astrophysics, General Health Professions and Epidemiology, on topics such as Geriatric Care and Nursing Homes, Healthcare innovation and challenges and History and Developments in Astronomy.

OpenAlex
World rank
#756,573
of 1,633,909 ranked researchers
Rank in United States
#220,899
of 358,040
Works
20
Citations
7
Citations per work
0.4

What does James J. Callahan research?

Astronomy and Astrophysics: 18.8%General Health Professions: 12.5%Epidemiology: 12.5%Literature and Literary Theory: 12.5%other fields: 43.7%19%top field
Astronomy and Astrophysics18.8%General Health Professions12.5%Epidemiology12.5%Literature and Literary Theory12.5%other fields43.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Astronomy and Astrophysics19% of their works
  2. 2General Health Professions12% of their works
  3. 3Epidemiology12% of their works
  4. 4Literature and Literary Theory12% of their works
  5. 5Education12% of their works
  6. 6Demography12% of their works

Research topics

Which keywords describe James J. Callahan's research?

The keywords of their largest research topics: Direct Payments, Nursing Home, Personalisation, Quality of Care, Acromioclavicular Joint, Astrobiology, Bone Healing and Clavicle Fractures.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 16 words, with their numbers
  1. Direct Payments21 topic
  2. Nursing Home21 topic
  3. Personalisation21 topic
  4. Quality of Care21 topic
  5. Acromioclavicular Joint11 topic
  6. Astrobiology11 topic
  7. Bone Healing11 topic
  8. Clavicle Fractures11 topic
  9. Extraterrestrial Life11 topic
  10. Fracture Epidemiology11 topic
  11. Motor Recovery11 topic
  12. Neural Plasticity11 topic
  13. Radio Astronomy11 topic
  14. Relativity11 topic
  15. Transits of Venus11 topic
  16. Unified Field Theories11 topic

Where does James J. Callahan work?

James J. Callahan's main affiliation in the publication record is Smith College, United States.

How many publications and citations does James J. Callahan have?

Science Explorer counts 20 works and 7 citations for James J. Callahan, ranking #756,573 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.