Highly influential American architect (1867–1959) whose mastery of space, form, and human-centered design revolutionized the field of architecture and earned him a place among the greatest thinkers and artists of the twentieth century. TLS signed “F. Ll. W.,” one page, 11 x 8.5, Taliesin West letterhead, April 18, 1955. Very brief letter to Peter Leavitt. In full, “Fabric O. K. Glad to absorb it.” Neatly signed at the conclusion in black ink. Accompanied by the original mailing envelope. In fine condition, with horizontal and vertical mailing folds. COA John Reznikoff/PSA/DNA and R&R COA.