Three films in the strand. Ends 1am.
10.00 Brunel: Jeremy Clarkson extols the virtues of engineer Isambard Kingdom Brunel, best known for the construction of the Great Western Railway and Clifton suspension bridge.
11.00 Darwin: Andrew Marr celebrates Charles Darwin, who pioneered a new theory on evolution in The Origin of Species.
12 midnight Nelson: Historian Lucy Moore profiles Horatio Nelson, Britain's most dazzling and successful naval leader, who died a hero at the Battle of Trafalgar in 1805.