Einstein’s Relativity 1st US Edition 1920.

New York, NY: Henry Holt & Co., 1920. The first American edition, with 1920 date on title page and copyright page. 168 pages.

Ink ownership at front free endpaper (crossed through) of "Herbert O. Albrecht, Dec. 11, 1920." Albrecht, of Springfield, PA, was a semi-regular contributor to the Bulletin of the Atomic Scientists, of which Einstein was a board member. Albrecht was a chemist and had at least one patent with DuPont. Also bears ink name above Albrecht's of "Frank J. Vasaturo", dated 1948. Some abrasion to the paper below the Albrecht signature. Superficial stain at top left corner of front board and scattered light superficial stains on back cover, light vertical indentation on front board. Two small spots in spine area. One inch ink blot on bottom page edges. Joints tight and text clean.