Academic Ancestry

a person in the record

John D. Joannopoulos

American physicist1947 to 2025

Supervised 34 doctoral students (35 students at any level) at Massachusetts Institute of Technology; Wikidata names Marvin L. Cohen as doctoral advisor, lists 5 doctoral students, and names Marvin L. Cohen as teacher. Linked to Wikidata, ORCID, and 7 other registers.

John D. Joannopoulos, pictured

How to read the markscited by a repository's recordstated by Wikidata or indexed by OpenAlexclaimed on an ORCID list, or inferred

Students35

Advisors on Wikidata1

From Wikidata, shown separately from the thesis records.

Students on Wikidata5

From Wikidata, shown separately from the thesis records.

Teachers and mentors1

Wikidata's "student of" and "student" statements: a line of training beside the lineage, never a thesis supervision and never counted with one.

  • a teacher or mentor, stated by Wikidata: not a thesis supervision

The line above and below4 steps

The advisors of their advisors, four steps up at most, in the thesis records and on Wikidata, each kind marked; a person in both is listed once.

Below them, within 3 steps, the record reaches 88 people: 64 cited by thesis records, 25 stated by Wikidata.

Education and career2

From Wikidata, shown separately from the thesis records. Each place opens its Wikidata item.