Results for "Twitter"
- SI History Chronology
Aldrich Retires from SAO
- Date: June 30, 1955
- SI History Bibliography
His Field Notebook was Started in 1894; It is Not Yet Complete
- Date: Thursday, January 13, 1977
- Creator: Sherwood, John
- Creator: Sherwood, John
- SI History Chronology
S. P. Langley Named Director of Observatory
- Date: March 2, 1890
- SI History Chronology
First SI-wide Christmas Party Held
- Date: December 24, 1949
Dr. Friedrich Hendel
- Date: 1927
Conference on the Future of the Smithsonian, Zoology Exhibit
- Date: 1927 February 11, 1927
- Creator: Olmsted, Arthur J
Portrait of John Warren Aldrich (1906-1995)
- Date: Undated
- Creator: Unknown
Letter Written by Dr. Hendel to Dr. John M. Aldrich
- Date: 1934
- SI History Bibliography
American Entomologists
- Date: 1971
- Creator: Mallis, Arnold
- Creator: Mallis, Arnold
Living Quarters at the Solar Station on Mt. Montezuma, Chile
- Date: 1920
Mt. Wilson, California
- Date: c. early 20th century
- Creator: Unknown
- Creator: Unknown
Insects Exhibit, Conference on the Future
- Date: 1927
- Creator: Unknown
- Creator: Unknown
