Misc: who did vivian vance play on 'the lucy show'?

Questions

what was the name of the character played by Tony Robinson in the Blackadder comedy series?

what hit Britain in 1926?

when were the Olympic games first held?

[science and technology] which woman scientist was awarded two nobel prizes in the early part of the 20th century?

[science and technology] what links flamsteed halley, bradley and bliss?