Michael Craig-Martin (http://www.michaelcraigmartin.co.uk/): If you click on his website you can look at his work from decade to decade and you can see that he's heavily influence by Duchamp's (artist who took the urinal and called it 'the fountain') style-he even uses it in a piece called "Common History" of his 90's works.
In the 60's Craig-Martin's work was mostly photography and conceptual pieces with boxes, etc.. Then in the 70's he began to do installation pieces where he would hang jars of paint, use mirrors, and glasses of water. Things became just straight forward and clear cut at that time for him. Then in the 80's he progressed to mixed medias of household objects with neon colors in them. So what can this say about the time periods that he worked in, other than that the 80's are associated with neons and so was his work? Maybe in the 60's it was all about being straight forward and presenting something that one could make sense of. Potentially in the 70's he wanted to make people view the ordinary as a form of art. He possibly was trying to inspire hope by taking something average and demonstrating how it could be so easily made intriguing. And then in the 80's he could have been trying to draw attention to simplicity by juxtaposing his metal objects with bold neon stripes.
Citation:
MICHAEL CRAIG-MARTIN. Web. 31 Oct. 2010. .