Have you done any reading yet? Here's a start:
BOAC - An Illustrated History
Chris Woodley (2004), Tempus Publishing, ISBN 0752431617
Wings Across The World - An Illustrated History of British Airways
Harald Penrose (1980), Cassell Ltd, ISBN 0304306975
British Airways: It's History, Aircraft and Liveries
Keith Gaskell (1999), The Crowood Press, ISBN 1840371420
I lifted this from my website which is why it includes the Amazon links (mods feel free to remove those if it contravenes the rules). There are many more books available of course. I'm sure others can add to this list.
Also have a look at these sites:
BETTER ON A CAMEL
And of course:
A Little VC10derness (sorry, shameless plug
)