Peter Checkland was born in 1930.
Francis Checkland was born in 1897.
Michael Checkland was born in 1936.
Sydney Checkland was born in 1916.
Peter Checkland has written: 'Systems and science, industry and innovation' 'Systems thinking, systems practice' -- subject(s): System theory
Sydney Checkland died in 1986.
Michael Checkland goes by Michael Chequebook.
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Peter Such was born in 1964.
Peter Wohlert was born in 1945.
Peter Mulgrew was born in 1927.
Peter Simone was born in 1938.
Peter Kaiser was born in 1793.