11/03/2011 08:57 am ET Updated Feb 02, 2016

L.A. Gay And Lesbian Center Shares Photos From 40-Year History, Prepares For 40th Anniversary Gala

Since 1971 the L.A. Gay & Lesbian Center has been building the health, advocating for the rights and enriching the lives of lesbian, gay, bisexual and transgender people.

The Center offers free HIV/AIDS care and medications for those most in need; housing, food, clothing and support for homeless LGBT youth; low-cost counseling and addiction-recovery services; essential services for LGBT-parented families and seniors; legal services; health education and HIV prevention programs; transgender services; cultural arts and much more.

This year the Center is celebrating its 40th anniversary with a gala event on November 12.

Neil Patrick Harris, his partner David Burtka and Chaz Bono will each be honored by the Center.

Leslie Jordan will host the event and Jane Lynch, among other celebrities, will also be in attendance.

If you're interested in attending the gala, which is being held at the Westin Bonaventure Hotel in Los Angeles, visit www.anniversarygala.org for tickets and more information.

Below, see a slideshow of photos from galas past featuring Elizabeth Taylor, Elton John, Wanda Sykes, Kathy Griffin and others:

Celebrating The 40th Anniversary Of The LA Gay & Lesbian Center