My grandfather (Bob Agar) played rugby for Ireland between 1938 and 1948, winning the triple crown and the grand slam - a feat only managed by Ireland on one other occasion in the 80's.

http://www.irishrugby.ie/283_11338.php

In the late 70's my father developed a cutting edge computer program to simulate the effects of wind vibrations on what was going to be the worlds longest suspension bridge of its time, at the "new" Hong Kong Airport:

http://en.wikipedia.org/wiki/Tsing_Ma_Bridge