In an academic career spanning half a century , Professor Haggett is noted for his significant research contributions to the field of human geography .
Is the author or editor of over 30 books on geographical practice , theory and individual research topics .
In an academic career spanning half a century , Professor Haggett is noted for his significant research contributions to the field of human geography , and is the author or editor of over 30 books on geographical practice , theory and individual research topics .