Site Credits
Text by William B. Ashworth, Jr
Bibliographic information by Bruce Bradley
Digital images by Jon Rollins
Comments are most welcome; please address them to:
ashworthw@umkc.edu or bradleyb@lindahall.org
The online exhibition was designed and converted by
Lyn Marie Harris.
Illustration to item 38 ©1960 University of Chicago Press, used by permission.
Illustration to item 45 courtesy of National Space Science Data Center