Setting himself up as a diving guide in Sri Lanka in the early 1950s, his services were in high demand by wealthy celebrities seeking new interests, especially

Freediving is diving without a breathing apparatus. In many languages, freediving is referred to as apnea(breath-holding) or apnea diving. Freediving was still

A manual that combines education and theoretical research with practical activity, a result of the experience of Umberto Pelizzari, one of the major protagonist

Physiological and practical considerations of scuba diving in easy-to-read format.

. Setting himself up as an underwater diving guide in Sri Lanka in the early 1950s, his services were in high demand by wealthy celebrities, seeking new interes