Robert Petersen

The Hidden History of Los Angeles

History EN ↓ 95 episodes

The Hidden History of Los Angeles podcast explores the lesser known aspects of L.A. history. Contrary to the commonly held belief that L.A. does not have any history, Los Angeles has a rich and colorful history. You just have to dig a little deeper to find it.

Author

Robert Petersen

Category

History

Podcast website

hiddenhistoryla.libsyn.com

Latest episode

Oct 9, 2025

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Episodes

L.A. Sounds: Eric Dolphy HHLA44 04.05.2019

Eric Dolphy was a multi-instrumentalist jazz virtuoso who played with the likes of John Coltrane and Charles Mingus. And he grew up in Los Angeles. 

Dear Los Angeles: An Interview with David Kipen HHLA43 25.03.2019

An interview with David Kipen about his book Dear Los Angeles: The City in Diaries and Letters, 1542 to 2018 .

3 Laws that Shaped the Downtown Skyline HHLA42 12.12.2018

This episode tells the story of three laws that shaped the downtown Los Angeles skyline. 

Q&A L.A.: Why are there so many Craftsman houses in Pasadena? HHLA41 07.11.2018

This episode looks into why there are so many Craftsman houses in Pasadena and features an interview with Brian Baker from Pasadena Heritage about their upcoming Craftsman Weekend event.

L.A. Sounds: John Cage HHLA40 18.10.2018

John Cage was one of the most influential and notorious avant garde music composers of the 20th Century. And he grew up in Los Angeles. 

Introducing "L.A. Sounds" 13.10.2018

This episode introduces a new segment of the podcast called, "L.A. Sounds," which will feature lesser known figures from the city's musical history. 

The Mirage Factory: An Interview with Gary Krist HHLA38 13.10.2018

The episode features an interview with Gary Krist about his new book The Mirage Factory: Illusion, Imagination, and the Invention of Los Angeles . 

Q&A L.A.: What is the proper way to pronounce Los Angeles? HHLA39 02.07.2018

What is the proper way to pronounce "Los Angeles?" The episode examines the history of pronouncing the city's name.

Charlotta Bass HHLA37 01.03.2018

Charlotta Bass was a trailblazing journalist and fierce advocate for civil rights, but few Angelenos have heard of her name. This episode tells the story. 

The Mount Wilson Observatory HHLA36 20.01.2018

On a mountain above Los Angeles, a group of astronomers at the Mount Wilson Observatory forever changed our understanding of the Universe. 

John Parkinson and an Interview with Stephen Gee HHLA35 01.11.2017

John Parkinson is L.A.'s most important, but often forgotten, architect. 

Q&A L.A.: What was L.A.'s first automobile? HHLA34 15.09.2017

When was the first time a car rode the streets of Los Angeles? This episode tells the story.

The Ten Block System for Numbering Country Houses HHLA33 01.07.2017

On the corner of Colorado Boulevard and Holliston Street in Pasadena stands a concrete tablet that looks like a tombstone. Even though it looks out of place, it is probably the oldest thing on that street corner - a long-lost ancestor of the navigation system on your phone. This episode tells the story. 

The Cecil Hotel and an Interview with James Bartlett HHLA32 31.05.2017

This episode tells the story of one of the most notorious hotels in Los Angeles. 

Q&A L.A.: Why is the L.A. River so ugly? HHLA31 16.04.2017

With its concrete walls and customary meager flow of water, the L.A. River has often been derided as being ugly. So how did this river, which at one point served as the lifeblood of this community, become a glorified storm drain? Find out in the latest episode of Q&A L.A. 

Pico Heights HHLA30 14.02.2017

How does a well established Los Angeles neighborhood name disappear? This episode tells the story of Pico Heights. 

Discovery Project Show on January 27 and 28, 2017 23.01.2017

A quick announcement about the upcoming Discovery Project show at the Blue Whale on January 27 and 28, 2017. 

Q&A L.A.: What is the oldest building in Los Angeles? HHLA29 22.12.2016

What is the oldest building that is still standing in the City of Los Angeles? The answer is not as simple as you may think.

Angels Flight and an Interview with Richard Schave HHLA28 29.10.2016

This episode tells the story of Angels Flight, L.A.'s beloved funicular, and the effort to get it re-opened, including an interview with local historian Richard Schave.

Q&A L.A.: Why are there huge holes in the ground in Irwindale? HHLA27 19.08.2016

Why are there huge holes in the ground off the 210 and 605 freeways in Irwindale? This episode answers the question while also exploring the history of Irwindale and how these holes are connected to the greater Los Angeles area. 

Interview with Josh Nelson HHLA26 rev 22.06.2016

In anticipation of his July 16, 2016 performance at Boston Court in Pasadena with his Discovery Project, a multimedia project which explores the past, present and future of Los Angeles, Robert interviews the piano player and composer Josh Nelson about the show and writing music about Los Angeles.   

Q&A LA: Why are there peacocks in Arcadia? HHLA25 28.05.2016

Why are there peacocks in Arcadia? To answer the question, we must go back over a hundred years and learn about the founding of the City of Arcadia.

Mack Robinson's Pasadena HHLA24 02.04.2016

This episode tells the story of Mack Robinson, a silver medalist who came in second to Jesse Owens in the 1936 Berlin Olympics, as well as his relationship to his hometown of Pasadena.

Q&A L.A.: Why does the 2 freeway end abruptly in Echo Park? HHLA23 12.02.2016

Why does the 2 freeway end abruptly in Echo Park? To answer the question, we must delve into the history of freeway development in Los Angeles and the world of L.A.'s never built freeways. 

The Triforium and an Interview with Tom Carroll HHLA22 14.01.2016

The Triforium is a six-story, 60-ton public sculpture on the corner of Temple and Main Streets in downtown that was supposed to be a symbol of L.A.'s future. Unfortunately, technical problems plagued the project from the beginning and made it the subject of much ridicule. Now a group of L.A. enthusiasts want to restore the piece and realize the project's ambitious vision. This episode discusses th...

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