Made by James Stewart in his `family comedy' period of the early Sixties, this farce about a literary-minded professor with a mathematical genius called Erasmus for a son has some screamingly funny moments. Best of these is when Erasmus, asked to divide one prodigious number by another, solemnly pronounces that it won't go. Nothing daunted, the scientists feed the problem into their computer which gets a nasty case of the tilts.

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