This paper briefly introduces Isambard Kingdom Brunel's life and major achievements. Brunel is a UK civil and mechanical engineer in the 19th century, whose name is well known to every household in the country. He used to study in the UK and France and became an engineer under the influence of his father. He designed and built the Clifton Suspension Bridge, Great Western Railway, a number of steamships such as the Great Western, the Great Britain and the Great Eastern, many bridges and tunnels including the Thames Tunnel, and hospitals as well. He made an enormous contribution to revolutionising the public transport and modern engineering in the UK.