The Invisible Boy - Short Story 1956.
This story is also known as 'The Brain child '. It first appeared in the Saturday Evening Post on June 23rd 1956 (The photo above is that edition - large version). It was later published in 'Tomorrow's Gift' in 1958, 'The Square Root of Tomorrow' in 1970, and 'Jupiter Laughs' in 1979.
A short story about a scientist who has developed an electronic brain and the impact it has on his family.