The Story Behind the Deepest Dive in History
Thirty years ago, on November 20, 1992, humanity witnessed a remarkable feat of exploration as diver Théo Mavrostomos descended into the abyss, setting a world record for the deepest dive ever recorded. Supported by the pioneering efforts of the Compagnie Maritime d’Expertise (Comex) and immortalized by the lens of photographer Alexis Rosenfeld, this historic dive remains a testament to human ingenuity and the relentless pursuit of knowledge in the depths of the ocean.


The Hydra Program
At the dawn of the 1990s, amidst a landscape devoid of underwater robotics, Comex embarked on the ambitious Hydra program. With a mission to push the boundaries of deep-sea exploration and understand the effects of extreme pressure on divers, Hydra represented a bold step forward in marine research. Led by visionary Henri-Germain Delauze, the founder of Comex, the program sought to unlock the mysteries of the ocean’s depths, paving the way for future generations of explorers.
Théo Mavrostomos’s Journey
Within the confines of the Hydra program, Théo Mavrostomos emerged as a beacon of courage and determination. As a seasoned scuba diver at Comex, he was entrusted with the monumental task of piloting the Hydra vessel to unprecedented depths. Alongside companions Serge Icart and Régis Peilho, Théo descended into the abyss, confronting the unforgiving pressures of the deep.
Despite facing physical exhaustion and adversity, Théo pressed onward, fueled by an unwavering resolve to push the boundaries of human achievement. On that fateful day in 1992, with the lens of Alexis Rosenfeld capturing every moment, Théo descended to a staggering depth of 701 meters, shattering previous records and etching his name into the annals of history
The record-breaking dive of Théo Mavrostomos stands as a testament to the indomitable spirit of exploration that defines humanity’s relationship with the ocean. Through the pioneering efforts of Comex and the lens of Alexis Rosenfeld, this historic achievement continues to inspire future generations of adventurers and researchers, reminding us of the boundless possibilities that lie beneath the surface of our planet’s vast oceans.




