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Genre Postage stamps Remove constraint Genre: Postage stamps Language English Remove constraint Language: English Language French Remove constraint Language: French Subject Canada Remove constraint Subject: Canada

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    • 1956

    Stamp depicts aspects of chemistry and related sciences. The design depicting a laboratory vessel is illustrative of the scientific equipment used widely for research in the chemical industry. A representative chemical…

    • 1971

    Cachet includes two depictions of Lord Rutherford and text, "World Famous Scientist Pioneering in Radioactivity and Nuclear Physics." The research program in the field of radioactivity undertaken by Rutherford at…