The Hidden History of Los Angeles podcast is hosted and produced by Robert Petersen. When he is not working on the podcast, Robert is a Deputy Attorney General for the State of California. He is also a musician who has worked on a wide variety of projects including Snoop Dogg, Miguel, Mary Lambert, Benny Cassette, Allen Stone, Pierre De Reeder (Rilo Kiley), Gwendolyn Sanford and Brandon Jay (Weeds, Orange is the New Black), and Aaron Freeman (Ween). Robert was born and raised in Pasadena and attended the Los Angeles County High School for the Arts where he majored in music. He received a BA in history from U.C. Berkeley and a law degree from UCLA. 

If you have a question or comment, you can contact Robert at robert@hiddenhistoryla.com

Photo by John Rabe


Los Angeles Magazine listed the Hidden History of Los Angeles as one of the "podcasts about L.A. you must subscribe to ASAP."  

Los Angeles Magazine

CBS Los Angeles included the Hidden History of Los Angeles in their list of the "Best Locally-Focussed Podcasts About Los Angeles." 

CBS Los Angeles

Smithsonian Magazine included the Hidden History of Los Angeles in their guide to "Learn the Script History of Your State With These Addictive Podcasts." 

Smithsonian Magazine

Stories from the Hidden History of Los Angeles have appeared on KPCC 89.3 FM: 

Hidden History: Is this a mile marker in Pasadena? Or a tombstone?

Hidden History of LA: The murderous lover who lived in a Silver Lake attic

The Hidden History of LA: The mayor who helped lynch a man

Hidden History: Mack Robinson, Jackie's long overlooked brother

Happy 120th Griffith Park, but your founder was a jerk

Commemorating LA's Chinese Massacre, possibly the worst lynching in US history

Freeway Soundwalls

“For the past three years, Robert Petersen has been schooling his Hidden History of Los Angeles podcast listeners on L.A.'s past, covering everything from city planning ... to how L.A. got its name. His podcast installments ... serve as a basic 101 introduction course to the city's history.”


Curbed LA wrote about an interview Robert did with John Rabe for Off Ramp on KPCC about the dirst lot at the corner of First between Browadway and Spring.

Curbed LA

Robert was interviewed by LAist about the Hidden History of Los Angeles podcast.


“A podcast to bring you closer to L.A. … Each episode ranges from 5 to 20 minutes with exciting insight into places you walk past every day. You are left with a new fascination with Los Angeles and a sincere connection to the city you never really knew.”

Via Los Angeles 

“A recent podcast by Robert Petersen, publisher of Hidden History of Los Angeles, provides an excellent overview of LA’s early rail system, with a particular focus on the city’s first subway tunnel in downtown. I highly recommend you check it out.”

Curating Los Angeles 

The Hidden History of Los Angeles was listed as one of the podcasts that LA chefs download.

Food GPS

The Hidden History of Los Angeles was  listed as one of LA's best podcasts for kids.

Red Tricycle

Robert was quoted in an L.A. Times article about Josh Nelson's Discovery Project album 'Thy Sky Remains.'

L.A. Times

Robert was interviewed about Los Angeles on NPR's Jazz Night in America.

NPR's Jazz Night in America

Robert was featured as an alumni spotlight by UCLA School of Law.

UCLA School of Law

Robert was interviewed by The Journalist regarding places to visit in Los Angeles.

The Journalist

Robert has been interviewed on Take Two on KPCC 89.3FM as part of their Throwback Thursday series which highlights Los Angeles history:

Who was Charlotta Bass?

A plaque in Old Town Pasadena doesn't tell the whole story

The history of the 2 freeway

The mystery of Irwindale's holes

Robert was interviewed on KQED's California Report Magazine about an auction of Native Americans that took place in 1850s Los Angeles

KQED's California Report Magazine

Robert was quoted in an LAist article about the history of the 2 freeway.

The Little Known History Behind LA's Most Tolerable Freeway


                                         How Annoyed Hollywood Concertgoers Sparked The Idea For Freeway Soundwalls