John Constable is a painter who struggled to make his career as a truthful painter of the English landscape at at time when it was difficult to do so. One of his major achievements was to a passionate and accurate study of the variety of clouds in the English sky.
His best work is mostly in the UK but a few great paintings are to be found in U.S. and Canadian museums. Next October there will be a big show of his work at the National Gallery in Washington DC. But you don't have to wait till then to look at the work of and learn more about one of the greatest landscape painters of them all. The National Gallery of Australia has a big show of his work Constable: Impressions of Land, Sea and Sky on right now and they had the great idea of putting lots of the exhibited works on line with an audio commentary. There almost an embarrassment of riches here over 47 works with commentary including a number of cloud and rainbow studies.
http://nga.gov.au/Exhibition/CONSTAB...ID=2&GalID=AUD