South Africa was one of twenty-eight nations that sent athletes to compete at the 1968 Summer Paralympics in Tel Aviv, Israel from 4 to 13 November 1968.

[3] At the time, South Africa was banned from the Olympic Games because of the policy of apartheid but was invited to the Paralympics.

[5] In men's class 2 incomplete events Nel won three medals; gold in backstroke, silver in freestyle and bronze in breaststroke.

Lewis won silver in freestyle and bronze in breaststroke for men's class 4 complete classification.

[5] Nel took part in the men's A2 and beat American's Sheridan and Duval in the first two rounds before losing to Sharav of Israel.