TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: In Copyright, J TI - First Day Cover commemorating August Kekule ID - n296wz188 AU - De Bast, Jean CY - Belgium DA - 1966/09/07/ YR - 1966 AV - Witco Stamp Collection, Box 1 VL - Witco Stamp Collection, Box 1 AN - Witco Stamp Collection, Box 1 UR - https://digital.sciencehistory.org/works/n296wz188 AB - Friedrich August Kekule von Stradonitz was a German organic and theoretical chemist, whose most famous work was determining the structure of benzene. The FDC features Kekule on the cachet, a postmark depicting the benzene ring, and a stamp featuring both Kekule and a benzene ring, with Kekule inside the ring. KW - Benzene KW - Postage stamps KW - Chemistry, Physical and theoretical KW - KekuleĢ, August, 1829-1896 KW - Chemists KW - Postmarks KW - Chemistry, Organic KW - Commemorative postage stamps KW - Science on postage stamps KW - Belgium KW - Cachets (Philately) KW - First day covers (Philately) LA - ER -