Question: Which documentary was released first, Walking with Beasts or Rosenwald?
Context: Walking with Beasts (Walking with Prehistoric Beasts in North American releases) is a 2001 six-part television documentary miniseries, produced by the BBC Natural History Unit.  It is the second installment of the Walking With... series and a sequel to "Walking with Dinosaurs".  "Beasts" takes place after the extinction of the dinosaurs 65 million years ago depicted in "Walking with Dinosaurs", and recreates animals of the Cenozoic with computer-generated imagery and animatronics.  Like "Dinosaurs", its narrative is presented in the style of a traditional nature documentary.  Some of the concepts it illustrates are the evolution of whales, horses, and humans. Michael "Mick" Kaczorowski (born January 4, 1960) is the Creative Director and Producer of Bangkok Swagger is a nine time nominated and three time Emmy Award winning Producer and Executive Producer.  As Executive Producer, he is responsible for some of Animal Planet and Discovery’s biggest and most iconic hits including , Raising the Mammoth, and Walking with Prehistoric Beasts.  Kaczorowski is also responsible for many of Discovery Channel and Animal Planet long running hit series including Meerkat Manor, North Woods Law, River Monsters, Alaskan Bush Family, Wild West Alaska, Buggin with Rude, and American Stuffers.  Kaczorowski has worked in Washington D.C. for Discovery Channel, Animal Planet and the National Geographic Society.  Kaczorowski began his filmmaking career in 1982 working in feature films for Director Robert Altman on Streamers, O.C. and Stiggs and Secret Honor.  In 1985 Kaczorowski helped launch before it became National Geographic Television, and was a film editor for over 10 years editing over 40 films, earning two Emmy nominations for best editing for Dancing with Stingrays and Ocean Kayakers.  He edited Discovery Channel’s first original production Ivory Wars.  Kaczorowski joined Discovery Communications in 1994 holding many positions and titles across different Discovery networks.  Over the next 20 years, he developed, supervised and managed everything from documentary specials and long running series, IMAX movies “”, Discovery’s first feature film “”, Animal Planet’s first feature film “” and Animal Planet’s first scripted drama “The Whale”.  His production company Bangkok Swagger casts, develops and creates programing around the world for the web, social media and traditional television & cable networks. Rosenwald is a 2015 documentary film directed by Aviva Kempner about the career of American businessman and philanthropist Julius Rosenwald.  It debuted on February 25, 2015 at the Washington Jewish Film Festival. Benjamin Bartlett, better known as Ben Bartlett, is a British soundtracks composer.  He is mainly celebrated for having been the creator of the background music in BBC nature documentary series "Walking with Dinosaurs" (1999), "Walking with Beasts" (2001), "Chased by Dinosaurs" (2002) or "Walking with Monsters" (2005), among others.  The two first ("Walking with Dinosaurs" and "Walking with Beasts") are for now the two sole Bartlett's scores having been commercialised. Single Video Theory is a music documentary directed by Mark Pellington that follows the making of "Yield", the fifth album by the American alternative rock band Pearl Jam.  It was released first on VHS on August 4, 1998, and then on DVD on November 24, 1998. Baka and Test, known in Japan as Baka to Test to Shōkanjū, is an anime series produced by Silver Link based on the light novel series by .  In a school in which students are able to summon beasts powered by their test scores, with higher scores resulting in ritzier lifestyles, the series revolves around a group of students stuck in the lowest-ranked F class.  The first season aired in Japan between January 7 and March 31, 2010.  On March 4, 2010, Funimation Entertainment announced that it had acquired the anime and streamed simulcast subtitled episodes days after they aired in Japan under the title "Baka and Test – Summon the Beasts".  Two OVA episodes under the title "Baka to Test to Shoukanjuu: Matsuri".  were released in two BD/DVD volumes: the first on February 23, 2011 and the second on March 30, 2011.  Both OVA come with 2-3 different ending sequences.  A second anime season under the title "Baka to Test to Shoukanjuu Ni!"  began airing in Japan in July 8, 2011. Blizzard Beasts is the fourth studio album by Norwegian black metal band Immortal.  It was released on 20 March 1997 through Osmose Productions.  It is the last Immortal album to feature founding member Demonaz Doom Occulta on guitar, and the first to feature Horgh on drums.  Demonaz was later diagnosed with acute tendinitis which prevented him from playing guitar at the required speed for Immortal's music.  Stylistically, "Blizzard Beasts" has primarily songs that are less than three minutes long, contrasting with Immortal's usual longer song lengths. Prehistoric Planet is a re-version of the BBC's "Walking with Dinosaurs" and "Walking with Beasts" series, done by Discovery Channel and NBC for the Discovery Kids network.  Though the producers kept most of the original animation, David Bock and Peter Sherman wrote new text for a younger target audience, narrated by Ben Stiller (in Season 1) and Christian Slater (in Season 2), and interspersed the scenes with occasional quizzes to act as bumpers around the commercial breaks.  New music was incorporated as well.  Most marketing and advertising for the series focused on the dinosaur episodes.  In addition, the final episode, the "Prehistoric Planet Top 10" focused solely on the creatures from "Walking With Dinosaurs".  Most of the graphic content from the shows were removed to be more appropriate for children, small content edits were also done to allow original programs to fit in the 23 minutes of non-commercial time that a normal half-hour program has on network TV, resulting in footage from the shows to be trimmed down.  Only Season 1 has been released on home video and DVD. Back With Two Beasts is the nineteenth album (and fourth collection of outtakes) by the Australian psychedelic rock band The Church, released in November 2005.  The material was recorded during the "Uninvited, Like the Clouds" sessions but released first, as a teaser for that album, and was originally only available from the band's website or at their gigs.  It was re-released by Unorthodox Records in 2009.  The title is a play on the euphemism for sexual intercourse, "the beast with two backs", to which both of the titles on the band's previous self-released album, "Jammed", also referred. Monsters We Met is a documentary produced by the BBC and later aired on Animal Planet in 2003 (under the title, Land of Lost Monsters) but also used footage from "Walking with Beasts" and "Walking with Cavemen" both made by BBC.  The show used computer-generated imagery to recreate the life of the giant animals that lived during the last ice age and explains how early humans encountered them.  It also features humans as the main reason to the extinction of all great animals.
Answer: Walking with Beasts