Late retirement, early careers, and the aging of U.S. science and engineering professors

• Navid Ghaffarzadegan ,

  Contributed equally to this work with: Navid Ghaffarzadegan, Ran Xu

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Resources, Supervision, Writing – original draft, Writing – review & editing

  * E-mail: navidg@vt.edu

  Affiliation Department of Industrial and Systems Engineering, Virginia Tech, Falls Church, Virginia, United States of America

  http://orcid.org/0000-0003-3632-8588

  ⨯
• Ran Xu

  Contributed equally to this work with: Navid Ghaffarzadegan, Ran Xu

  Roles Data curation, Formal analysis, Investigation, Methodology, Writing – original draft, Writing – review & editing

  Affiliation Department of Industrial and Systems Engineering, Virginia Tech, Falls Church, Virginia, United States of America

  ⨯