Historical biography archive · Updated 2026-11-03

John D. Richardson Biography and Timeline

Follow John D. Richardson through 1 dated historical records for United States of America.

John D. Richardson, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
2018–2018Years on this page

2018

Voyager 2 Heliopause Plasma Signature

Scientist · Interstellar Space · Science / Astronomy

Uses Voyager 2 plasma measurements to identify the sharp transition from the heliosphere into interstellar space.

Role range: 2018-2018

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.