A foundational biochemist whose precise quantitative methods, developed over 50 years at the Rockefeller Institute, became essential tools for diagnosing disease and understanding metabolism.
Donald Van Slyke was a master of measurement in the nascent science of biochemistry. Emigrating from the Netherlands as a young man, he brought a European rigor to American laboratories, most notably at the Rockefeller Institute for Medical Research, where he spent the bulk of his prolific career. Van Slyke was an engineer of the infinitesimal, devising elegant and accurate techniques to analyze blood gases, kidney function, and amino acids. His name became a verb in medical labs worldwide thanks to the 'Van Slyke determination,' a method for quantifying amino nitrogen. He didn't just invent tests; he wrote the book on them—literally. His multi-volume 'Quantitative Clinical Chemistry,' co-authored with John Peters, became the bible for a generation of clinical chemists, transforming vague observations into precise data. His work provided the numerical backbone for diagnosing diabetes, kidney disease, and metabolic disorders, moving medicine firmly into the age of scientific quantification.
1883–1900
Came of age during World War I. Disillusioned by the carnage, they rejected the certainties of the Victorian era and built modernism from the wreckage — in art, literature, and politics.
Donald was born in 1883, placing them squarely in The Lost Generation. The events that shaped this generation — world wars, depression, and rapid industrialization — shaped the world they entered and the choices available to them.
The biggest hits of 1883
The world at every milestone
First modern Olympic Games held in Athens
Queen Victoria dies, ending the Victorian era
New York City opens its first subway line
The Federal Reserve is established
The Great Kanto earthquake devastates Tokyo
FDR's New Deal launches; Prohibition ends
Allies invade Sicily; Battle of Stalingrad ends
DNA structure discovered by Watson and Crick
JFK assassinated in Dallas; Martin Luther King's 'I Have a Dream' speech
Voting age lowered to 18 in the US
He was often referred to simply as 'Van' by his colleagues and peers.
He received the first American Medical Association Scientific Achievement Award in 1961.
During World War I, he applied his skills to research on poison gases and their treatments.
He was a member of the National Academy of Sciences.
“Measure what is measurable, and make measurable what is not.”