C. David Gutsche 1921-2018.

So, David Gutsche's legacy is a wealth of chemistry and a class of building blocks for supramolecular chemistry that resulted from the meticulous synthetic procedures developed in his labs. Although he was not the first chemist to explore these cyclic reaction products of phenols and aldehydes, it is due to his work that a vast and diverse chemistry could develop. David Gutsche was the godfather of calixarene chemistry, one of the major building blocks in supramolecular chemistry. [Extracted from the article]