Task: Text Categorization
Input (English): This chemist is named with Johnson and Ireland in reactions that are variants of his namesake reaction. A ketone and aromatic aldehyde react in a process named for this man and J.G. Schmidt. The thermal conversion of an allyl phenyl ether to an ortho-allyl phenol, by way of a cyclo-hexa-die-none intermediate, is his namesake rearrangement. The Dieckmann reaction is an intramolecular version his most famous reaction, and occurs with esters of dicarboxylic acids forming five or six-membered rings. FTP, name this German chemist, the namesake of the condensation that happens when two esters form a beta-keto ester.
Output (English): Science