Harry Morris Warner was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 studio executive, one of the founders of Warner Bros.

Warner Bros.

Warner Bros. Entertainment, Inc., also known as Warner Bros. Pictures or simply Warner Bros. , is an American producer of film and television entertainment.One of the major film studios, it is a subsidiary of Time Warner, with its headquarters in Burbank,...

, and a major contributor to the development of the film industry

Film industry

The film industry consists of the technological and commercial institutions of filmmaking: i.e. film production companies, film studios, cinematography, film production, screenwriting, pre-production, post production, film festivals, distribution; and actors, film directors and other film crew...

. Along with his three brothers (Albert

Albert Warner

Aaron "Albert" Warner was a Polish-born American film executive who was one of the founders of Warner Bros. Studios. He established the production studio with his brothers Harry, Sam, and Jack Warner...

, Sam

Sam Warner

Samuel Louis "Sam" Warner was an American film producer who was the co-founder and chief executive officer of Warner Bros. Studios. He established the studio along with his brothers Harry, Albert, and Jack Warner. Sam Warner is credited with procuring the technology that enabled Warner Bros...

 and Jack

Jack Warner

Jack Leonard "J. L." Warner , born Jacob Warner in London, Ontario, was a Canadian American film executive who was the president and driving force behind the Warner Bros. Studios in Hollywood, Los Angeles, California...

) Warner played a crucial role in the film business and played a key role in establishing Warner Bros. Pictures, Inc, serving as the company president until 1956.
Warner was born Hirsch Moses "Wonsal" or "Wonskolaser" to a family of Polish Jews from the village of Krasnosielc

Krasnosielc

Krasnosielc is a village in Maków County , on the river Orzyc, in east-central Poland. It is the seat of the administrative district called Gmina Krasnosielc. It lies approximately north of Maków Mazowiecki and north of Warsaw. Previous names include: Sielc, Siedlec and in...

.