Alexander R. Todd

Baron Todd OM PRS FRSE
Kelahiran	Alexander Robertus Todd (1907-10-02)2 Oktober 1907 Cathcart, Glasgow
Meninggal dunia	10 Januari 1997(1997-01-10) (umur 89) Oakington, Cambridgeshire
Warganegara	British
Pusat pendidikan	Universiti Glasgow Universiti Frankfurt am Main Universiti Oxford
Anugerah	Davy Medal (1949) Royal Medal (1955) Nobel Prize for Chemistry (1957) Paul Karrer Gold Medal (1963) Copley Medal (1970) Lomonosov Gold Medal (1978)
Kerjaya saintifik
Bidang	Kimia, biokimia
Institusi	Institut Lister Universiti Edinburgh Universiti London Universiti Manchester Universiti Cambridge Kolej Christ's, Cambridge Universiti Strathclyde Politeknik Hatfield
Penasihat kedoktoran	Walter Borsche, Sir Robert Robinson
Pelajar kedoktoran	Ted Corbett

Alexander Robertus Todd, Baron Todd of Trumpington OM PRS FRSE^[1] (2 Oktober 1907 – 10 Januari 1997) ialah seorang ahli biokimia British yang penyelidikannya mengenai struktur dan sintesis nukleotida, nukleosida, dan koenzim nukleotida memperolehnya Hadiah Nobel dalam Kimia.

• Reynolds, David (2005), Christ's: A Cambridge College Over Five Centuries, Macmillan, ISBN 0-333-98988-0: "The Era of Todd, Plumb and Snow", by Sir David Cannadine.
• Obituary in the Independent
• Obituary in The New York Times

• Nobel Foundation biography Diarkibkan 2001-12-04 di Wayback Machine
• Synthesis in the Study of Nucleotides, Todd's Nobel lecture
• Interviews with Nobel Prize winning scientists: Lord Alexander Todd, British Broadcasting Corporation, c. 1985. Video of an interviewed with Lewis Wolpert. Duration 37 minutes.