> was oliver heaviside related to the j heaviside who broke the mile record?
Yes, the British physicist and mathematician
Oliver Heaviside was related to the J. Heaviside who set early mile records. [
1,
2]
The J. Heaviside who broke the world record in the mile (with times of 4:55 in April 1861 and 4:49 in May 1861) was Oliver's
first cousin. [
1]
The J. Heaviside on the track was an Irish-born runner named
John Heaviside (or sometimes referred to historically as J. Heaviside of the United Kingdom). In 1861, his 4:49 mile was a standout athletic achievement during the early days of recorded track and field. [
1]