This document discusses John Tyndall's visit to America in the 1870s to lecture on science, particularly his support of Charles Darwin's theory of evolution which was controversial at the time. It also discusses the debate between advocates of "pure" science versus "practical" science and mentions other scientists involved like Asa Gray, Joseph Henry, Alexander Williamson, and Henry Rowland. The document contains images related to Tyndall, Darwin, debates about science in America, and portraits of other scientists from the time period.

1. Look Who’s Coming to Dinner
John Tyndall, Darwin, and
Pure vs. Practical Science in America
Michael D. Barton & Michael Reidy

2. Asa Gray in 1868, John Tyndall, and Charles Darwin in 1871

4. Early 1870s broadsheet depicting Tyndall as follower of Darwin

5. Portraits of Tyndall while in the United States, Philadelphia 1872 and New York 1873

6. Alexander William Williamson and Henry Augustus Rowland, advocates of pure science

7. 1906 image from Delmonico’s, New York

8. Vanity Fair portrait of Tyndall following his 1870 lecture on imagination

9. “Reason versus Unreason” (Puck) and “The New Scriptures”

11. Joseph Henry in 1879; his banquet letter was published elsewhere