Researcher

Hal Abelson

Also known as Harold Abelson

Hal Abelson is an MIT professor and CSAIL principal investigator who came to MIT in 1969 to study mathematics. At MIT's AI Lab, he met Seymour Papert, and in 1981 he directed the first implementation of Logo for Apple computers. With Gerald Sussman, he developed the course behind Structure and Interpretation of Computer Programs, which became MIT's introductory computer science subject from 1980 until 2007. While on sabbatical at Google in 2008, he started App Inventor. Open Education Global gave him its Lifetime Achievement Award for Excellence in 2025.

Now at
MIT CSAIL
Works
224
Citations
8,051
h-index
37

Publication numbers from OpenAlex, as of 15 October 2026.

Timeline

  1. 1969

    A mathematics student at MIT

    He arrives at MIT in 1969 to study mathematics.

  2. 1980–2007

    The SICP course at MIT

    With Gerald Sussman, he develops the course Structure and Interpretation of Computer Programs, which becomes MIT's introductory computer science subject from 1980 until 2007.

  3. 1981

    Logo for Apple computers

    At MIT's AI Lab he meets Seymour Papert, and in 1981 he directs the first implementation of Logo for Apple computers.

  4. 2002

    Co-founding Creative Commons

    He founds Creative Commons with Lawrence Lessig and Eric Eldred, and the nonprofit publishes its licenses in 2002.

  5. 2008

    Starting App Inventor

    While on sabbatical at Google in 2008, he starts App Inventor.

  6. 2011–2012

    Two ACM teaching awards

    He wins the ACM Karl Karlstrom Outstanding Educator Award in 2011 and the ACM award for outstanding contribution to computer science education in 2012.

  7. 2025

    A lifetime award in open education

    He receives the 2025 Lifetime Achievement Award for Excellence from Open Education Global.

  8. As of October 2026

    A Class of 1922 professorship

    He is the Class of 1922 Professor in MIT's Department of Electrical Engineering and Computer Science and a CSAIL principal investigator.

Sources and credits

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  1. “Kids are people too!” | MIT News | Massachusetts Institute of Technology news.mit.edu. Checked 15 October 2026.
  2. Hal Abelson groups.csail.mit.edu. Checked 15 October 2026.
  3. History - Creative Commons creativecommons.org. Checked 15 October 2026.
  4. Hal Abelson Receives OEGlobal 2025 Lifetime Achievement Award for Open Education — App Inventor Foundation appinventor.org. Checked 15 October 2026.
  5. CSAIL’s Abelson receives Lifetime Achievement Award from Open Education Global | MIT CSAIL csail.mit.edu. Checked 15 October 2026.
  6. MIT School of Engineering faculty receive awards in fall 2025 | MIT News | Massachusetts Institute of Technology news.mit.edu. Checked 15 October 2026.