AVE6320213: Europe, 1940s: London buildings on fire / Bridgeman Images

AVE6320217: Europe: 1940s: grave marker for Lieutenant R.Zehre German Air Force / Bridgeman Images

AVE6320220: Europe: 1940s: RAF men march together / Bridgeman Images

AVE6320225: Europe, 1940s: British Navy ships at Dunkirk / Bridgeman Images

AVE6320226: Europe, 1940s: British air force planes in sky / Bridgeman Images

AVE6320227: Europe, 1940s: British soldiers in London street / Bridgeman Images

AVE6320232: Europe, 1940s: men and women in factory work / Bridgeman Images

AVE6320233: Europe, 1940s: ladies play darts in pub / Bridgeman Images

AVE6320240: Europe, 1940s: Bombs fall in water by British ships in convoy / Bridgeman Images

AVE6320241: Europe, 1940s: planes take off from field / Bridgeman Images

AVE6320242: Europe, 1940s: bomb falls next to ship / Bridgeman Images

AVE6320246: Europe, 1940s: bombs hit coast of Britain / Bridgeman Images

AVE6320247: Europe, 1940s:pilot hit in plane / Bridgeman Images

AVE6320248: Europe, 1940s: man uses crane to move tank in dockyard / Bridgeman Images

AVE6320249: Europe, 1940s: people sat in front of house / Bridgeman Images

AVE6320257: Europe, 1940s: men look at map in control station / Bridgeman Images

AVE6320258: Europe, 1940s: animated map of south coast of England / Bridgeman Images

AVE6320265: Europe, 1940s: map of Britain / Bridgeman Images

AVE6320266: Europe, 1940s: Men patrol London streets / Bridgeman Images

AVE6320268: Europe, 1940s: Tower Bridge surrounded by fog / Bridgeman Images

AVE6320270: Europe, 1940s: view through gun window of plane / Bridgeman Images

AVE6320272: Europe, 1940s: people salvage furniture from bombed homes in east end London / Bridgeman Images

AVE6320275: Europe, 1940s: explosion as bomb drops on London / Bridgeman Images

AVE6320301: United States, 1980s: boiling effect of viruses within cells and tissue, Spread of infection in tissues / Bridgeman Images

AVE6320307: United States, 1980s: cartoon virus attaches to cell membrane / Bridgeman Images

AVE6320321: United States, 1980s: killer cell kills cancer and virus cells inside body / Bridgeman Images

AVE6320323: United States, 1980s: time lapse of long term damage to cells and immune system / Bridgeman Images

AVE6320326: Europe, 1940s: buildings on fire after air ride in London / Bridgeman Images

AVE6320328: Europe, 1940s: ladies talk to men at tea station / Bridgeman Images

AVE6320330: Europe, 1940s: people walk past bomb sites on way to work / Bridgeman Images

AVE6320334: Europe, 1940s: plane flies over airfield at night / Bridgeman Images

AVE6320335: Europe, 1940s: hand writes observations on piece of paper / Bridgeman Images

AVE6322200: USA, 1950s: Man blowing into a test tube of water through a straw / Bridgeman Images

AVE6322205: 1980s: A pilot drives his small aircraft down a runway / Bridgeman Images

AVE6322207: USA, 1950s: Man using a ruler to draw a line on a graph / Bridgeman Images

AVE6322209: 1980s: A research helicopter flies / Bridgeman Images