Article date: Jan 1967
Article title: Dr. Matrix delivers a talk on acrostics
Mathematical Games column? Y
Book: 4. The Magic Numbers of Dr. Matrix
Chapter: 9. Wordsmith College
This data confirmed? yes
Notes
Peter Rowlett (6 September 2022):
Book first published 1985. Material previously published in Scientific American dates: 1960, 1961, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1980.
Peter Rowlett (6 September 2022):
Possibly not a Mathematical Games article?
Peter Rowlett (29 October 2023):
I have seen this chapter and column side-by-side and they match.