Billionaire publisher and philanthropist (1908–2002). TLS, one page, 6.25 x 8.5, Sunnylands letterhead, February 28, 1975. Letter to Ken Browne. In full: “May I thank you for your thoughtful letter of February 24, which is indeed a gracious and warm communication.” Staple holes and paperclip marks to the upper left, and a paperclip impression to the upper right, otherwise fine condition. RRAuction COA.