While in graduate school, in 1987, Johnson discovered an extinct species of linden leaf, which was named Tilia johnsoni in his honor.[5] His postdoctoral work included field research in the northern Australian rainforests, while he served as a postdoctoral research associate in the department of botany at the University of Adelaide.[6]
In 2012 Johnson was selected to lead the National Museum of Natural History in Washington, D.C., one of the Smithsonian Institution’s most popular museums on the National Mall.[6] He is the host of the PBSNova series, Making North America, which is a three-part series that describes the shaping of North America, which aired on November 4, 11 and 18, 2015.[8][9][10] In 2017 he hosted the three-part PBS series Great Yellowstone Thaw.[11] He is also the host of the two-hour Nova special Polar Extremes, first shown on February 5, 2020, which explores the history of the North and South Poles ranging from ice sheets to warm forests.[12]
Personal life
Johnson's sister, Kirsten Johnson, is a documentary filmmaker and cinematographer, whose Dick Johnson Is Dead explores their father's battle with dementia.[13]
Selected books
Johnson, Kirk; Troll, Ray (2018). Cruisin' the fossil coastline: The travels of an artist and a scientist along the shores of the prehistoric Pacific. Golden, CO: Fulcrum Publishing. ISBN9781555917432. OCLC1029091568.
Johnson, Kirk (2012). Digging Snowmastodon: Discovering an Ice Age World in the Colorado Rockies. Denver, CO; Aspen, CO: Denver Museum of Nature & Science; People's Press. ISBN9781936905065. OCLC756579046.
Johnson, Kirk; Troll, Ray (2007). Cruisin' the Fossil Freeway: An epoch tale of a scientist and an artist on the ultimate 5,000 mile paleo road trip. Golden, CO: Fulcrum Pub. ISBN9781555914516. OCLC125404857.
Johnson, Kirk (2006). Prehistoric Journey: A history of life on Earth. Golden, CO: Fulcrum Pub. ISBN9781555915537. OCLC62118347.
Johnson, Kirk (2005). Ancient Denvers: Scenes from the past 300 million years of the Colorado Front Range. Golden, CO: Fulcrum Pub. ISBN9781938486210. OCLC911181981.