This is a difficult question as the response will be multi-national. Each country will have its own favorite from that era. In Wales the team were at their peak beating just about all comers. The most spoken about at that time was Scrumhalf for wales and Cardiff Gareth Edwards. Others will add their favorites to this post I hope.
Michael Jones.
Michael Jones of New Zealand
Maplestory
I think it was Clive Sullivan, late 60s early 70s, he played for Hull fc and Hull Kr. he was fantastic winger.
Having achieved a qualification in the sports coaching programme - you need to start by finding those interested in the game - both player and supporters. Set up youth programmes using the mini rugby and the increasingly popular tag rugby
rugby union is the world cup, the six nations, the european nations cup... rugby union is what people know as rugby. all other forms of rugby are not as popular.
Rugby Players
in the 70s and 80s the mobile was very popular
Michael Jones
The answere is rugby it is the most popular sport in new zealand
No rugby is not popular in Mexico and as yet they are not one of the IRB 93 national clubs
Pat Quinn - English Rugby Player Charles Quade - New Zealand Rugby Player D.L.J Quigley - Canadian Rugby Player