page_title: List of gay, lesbian or bisexual people: T–V
section_title: V
hierarchical_section_title: List of gay, lesbian or bisexual people: T–V / V
caption_attribution_description: English: Italian director Luchino Visconti in 1972.Français&#160;: Le réalisateur italien Luchino Visconti en 1972.Italiano: Il regista Luchino Visconti nel 1972.
context_page_description: Parent article: List of gay, lesbian or bisexual people;
  Siblings:
  The historical concept and definition of sexual orientation varies and has changed greatly over time; for example the word "gay" was not used to describe sexual orientation until the mid-20th century. A number of different classification schemes have been used to describe sexual orientation since the mid-19th century, and scholars have often defined the term "sexual orientation" in divergent ways. Indeed, several studies have found that much of the research about sexual orientation has failed to define the term at all, making it difficult to reconcile the results of different studies. However, most definitions include a psychological component and/or a behavioural component. Some prefer to simply follow an individual's self-definition or identity.
  The high prevalence of people from the West on this list may be due to societal attitudes towards homosexuality.
caption: Filmmaker Luchino Visconti
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