He has collaborated with fellow photographers such as Don McCullin, Robert Doisneau, Sarah Moon, Helmut Newton, and Marc Riboud.
[4] Horvat lived in several countries including Switzerland, Italy, Pakistan, India, England, and the United States, before settling in France in 1955.
[5] Horvat started his career in the mid 1950s as a photojournalist in Paris, working to capture the 'sleaze and squalor' of the city, before going on to fashion photography.
His photograph of an Indian bride under a veil, her face reflected in a mirror on her lap, was selected by Edward Steichen for The Family of Man exhibit at the Museum of Modern Art which toured the world to be seen by 9 million visitors.
[8][9][10] In 1955, Horvat moved from London to Paris and found that the mood of its streets and its inhabitants had little in common with the somewhat romantic vision of the so-called humanist photographers.
In the following years, Horvat was commissioned to do similar work for Elle in Paris, Vogue in London, and Harper’s Bazaar in New York.
It was then that he began a new project, a series of interviews with fellow photographers, such as Edouard Boubat, Robert Doisneau, Mario Giacomelli, Josef Koudelka, Don McCullin, Sarah Moon, Helmut Newton, Marc Riboud, Jeanloup Sieff and Joel-Peter Witkin.
They would spend two hours in the makeup chair, and I’d try to get them to remove it so they’d look more natural.”[4] In his own words, he kept away from pictures of war, disease, and suffering, "not out of indifference to these misfortunes, but because I feel neither the moral justification nor the physical courage to face such situations as a photographer.”[3] However, his early photojournalistic works of Paris, had him focus on the city's seedy underbelly to counter the 'heavily romanticized' depictions of the city.