Merle Walker Biography

Historical biography and chronological timeline for Merle Walker, based on 1 World History Database records associated with United States of America.

1 records1955–19551 events0 places

Chronological biography

1955

Pluto1955

Science / Astronomy

Photoelectric observations establish a roughly 6.4-day brightness periodicity for Pluto, providing the first reliable measurement of its rotation period.

Record provenance

This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.