Roelof Houwink (1897–1988) was a Dutch polymer scientist, educated at the University of Delft.
He worked at Philips starting in 1925.
From 1939 to 1956 he was director-general of the TNOs Rubberinstituut[1] in Delft.
[2] The Mark-Houwink equation is named jointly after Herman F. Mark and him.
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