Short answers, pulled from the story.
Hans Suess was an Austrian-born American physical chemist and nuclear physicist, born on the 16th of December 1909. He was the grandson of the Austrian geologist Eduard Suess and became one of the four founding faculty members of the University of California, San Diego, in 1958.
The Suess effect is the dilution of atmospheric radiocarbon caused by carbon dioxide from fossil fuels burned since the industrial revolution. Hans Suess identified it through radiocarbon analyses of annual tree growth rings, and it is discussed alongside the anthropogenic greenhouse effect.
Hans Suess died on the 20th of September 1993 in a La Jolla, California, retirement home.
Hans Suess was frequently confused with the children's author Dr. Seuss, born Theodor Seuss Geisel, because both men lived in La Jolla, California, at the same time, and the US Postal Service among others mixed up their mail. Their personal papers are now both housed in the Geisel Library at the University of California, San Diego.
Hans Suess worked at the University of Chicago with Harold Urey studying meteorites, then joined the Scripps Institution of Oceanography faculty in 1955 before becoming one of four founding faculty members of the University of California, San Diego, in 1958. He remained a UCSD professor until 1977 and continued afterward as emeritus professor.
Before emigrating to the United States in 1950, Hans Suess earned his chemistry doctorate at the University of Vienna in 1935, advised heavy water production at a Norwegian plant during World War II, and collaborated with future 1963 Nobel Prize winner Hans Jensen on the shell model of the atomic nucleus.