TY - MANSCPT DB - Science History Institute DP - Science History Institute M2 - Courtesy of Science History Institute. Rights: In Copyright, L TI - Envelope with Swedish postage stamps commemorating Fritz Haber and Max Planck ID - d217qp681 AU - Forsberg, Lennart CY - Sweden DA - 1978/// YR - 1978 AV - Witco Stamp Collection, Box 3 VL - Witco Stamp Collection, Box 3 AN - Witco Stamp Collection, Box 3 UR - https://digital.sciencehistory.org/works/d217qp681 AB - Depicts Fritz Haber and Max Planck, Nobel Prize laureates in Chemistry and Physics. KW - Postage stamps KW - Haber, Fritz, 1868-1934 KW - Chemists KW - Sweden KW - Postmarks KW - Commemorative postage stamps KW - Science on postage stamps KW - Nobel Prize winners KW - Physicists KW - Planck, Max, 1858-1947 LA - Swedish ER -