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A Walk Through Time depicts the 4.6 billion year story of our Earth and progresses from the formation of our solar system to the beginning of life on Earth to the present. The Walk offers a rich context for exploring fundamental issues regarding humanity and the future of all life on Earth. The Walk Through Time exhibit was imagined by physicist Sidney Liebes, who wanted to inspire people with the magnificent story of life on Earth and provide a cautionary tale of how human actions today threaten Earth’s diversity and stability. The University of Montana (UM) has one of the few copies of the physical exhibit and periodically displays it on the UM campus. View the Walk Through Time digital archives to learn more about the exhibit and the individual exhibit panels.

  • Panel 37: Thriving In The Oxygen World: The Mighty Mitochondria

    Panel 37: Thriving In The Oxygen World: The Mighty Mitochondria

  • Panel 38: Sex: A Survival Strategy

    Panel 38: Sex: A Survival Strategy

  • Panel 39: Why Do Some Cells Die? Shaping Up

    Panel 39: Why Do Some Cells Die? Shaping Up

  • Panel 40: Niche Masters: Land Ho!

    Panel 40: Niche Masters: Land Ho!

  • Panel 41: Corporal Mergers

    Panel 41: Corporal Mergers

  • Panel 42: What Is An Individual?

    Panel 42: What Is An Individual?

  • Panel 43: The One And The Many

    Panel 43: The One And The Many

  • Panel 44: Into The Breach

    Panel 44: Into The Breach

  • Panel 45: Mini-Mineral Marvels

    Panel 45: Mini-Mineral Marvels

  • Panel 46: Category Questions

    Panel 46: Category Questions

  • Panel 47: Some Like It Cool

    Panel 47: Some Like It Cool

  • Panel 48: Supple Testimonies

    Panel 48: Supple Testimonies