David Block


Scholar | Former Visiting Scholar

Astronomy

David Block earned his PhD in astronomy from the University of Cape Town and is professor emeritus at the University of the Witwatersrand. Elected a Fellow of the Royal Astronomical Society at 19, he has published over 100 papers and conducted research at Caltech, Harvard, ANU, and ESO. His work has twice appeared on the cover of Nature. He speaks globally on science and faith, inspiring audiences to “look up—and never give up.” He received South Africa’s NSTF Award for science communication. He lives in Johannesburg, South Africa.

Most Popular Works

A curated selection of this scholar’s most widely engaged work with Reasons to Believe.

  • Revealing God in Science

    Explore Dr. Block’s story: You’ve just received a rare, formal invitation to sit down with 12 esteemed Christian STEMM scholars. It’s you and them—and a promise of authentic and open conversation. What will you ask?

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  • God’s Artistry

    Experience the awe of creation as Dr. David Block and Dr. Fuz Rana explore James Webb Space Telescope imagery and biochemical design, revealing God’s artistry and our calling as co-creators.

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  • The Christmas Star with Astronomer David Block

    Journey through history and science to unpack the mystery of the Christmas Star—exploring astronomy, biblical accounts, and faith to reveal its profound meaning for all who seek truth.

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  • How a Jewish Astronomer Discovered Jesus

    From Jewish roots to the stars above—follow a scientist’s remarkable journey from skepticism to faith, weaving together personal history, cosmic wonder, and the discovery of Jesus as the promised Messiah.

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  • God's Hand in Creation

    Two renowned astronomers explore the Andromeda galaxy, God’s handiwork in creation, and groundbreaking advances in infrared astronomy in this inspiring conversation bridging science and faith.

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Top Resources

Selected articles and research published with Reasons to Believe, offering deeper exploration of key topics.

  • The Universe

    Author: Guest Writer

    My Visit with Professor Stephen Hawking

    Explore a personal encounter with Stephen Hawking, examining scientism and the dialogue between science and Christian faith on the universe and God. Read More

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Our Staff Scholars

Our staff scholars are leaders in their fields, combining academic excellence with a commitment to exploring the harmony between science and the Christian faith.

  • Fazale “Fuz” Rana

    President & CEO

    Fuz Rana is a biochemist, author, and Christian apologist specializing in human origins, genetics, and the scientific evidence for design. President, CEO, and senior scholar at Reasons to Believe (RTB), he formerly served as a senior scientist in research and development at Procter & Gamble. Rana earned a BS in chemistry with highest honors from West Virginia State College (now University) and a PhD in chemistry with an emphasis in biochemistry from Ohio University. He pursued postdoctoral studies on cell membranes at the Universities of Virginia and Georgia. Read More

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  • Hugh Ross

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  • George Haraksin II

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    George Haraksin II is a philosopher-ethicist and senior research scholar at Reasons to Believe, specializing in philosophy of religion, ethics, and Christian apologetics. Read More

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  • Fazale “Fuz” Rana

    President & CEO

    Fuz Rana is a biochemist, author, and Christian apologist specializing in human origins, genetics, and the scientific evidence for design. President, CEO, and senior scholar at Reasons to Believe (RTB), he formerly served as a senior scientist in research and development at Procter & Gamble. Rana earned a BS in chemistry with highest honors from West Virginia State College (now University) and a PhD in chemistry with an emphasis in biochemistry from Ohio University. He pursued postdoctoral studies on cell membranes at the Universities of Virginia and Georgia. Read More

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  • Hugh Ross

    Founder & Senior Scholar

    Astrophysicist and founder Hugh Ross equips believers with scientific evidence and biblical apologetics, revealing how the cosmos points to its Creator. Read More

    Read More
  • George Haraksin II

    Senior Research Scholar

    George Haraksin II is a philosopher-ethicist and senior research scholar at Reasons to Believe, specializing in philosophy of religion, ethics, and Christian apologetics. Read More

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