* Freeview Video of Fredrick Sanger in conversation with John Walker by the Vega Science Trust* Dunn Human Nutrition Unit* John Walker interviewed by Alan Macfarlane 14th January 2008 (film)* A three part video interview with Sir John Walker by the Vega Science Trust
==References====External links==* Freeview Video of Fredrick Sanger in conversation with John Walker by the Vega Science Trust* MRC Mitochondrial Biology Unit* John Walker interviewed by Alan Macfarlane 14 January 2008 (film)* A three part video interview with Sir John Walker by the Vega Science Trust