(b Berlin, Oct 15, 1827; d Berlin, Sept 15, 1908).
German architect, archaeologist and writer. He was one of the leading figures of Berlin’s architectural establishment in the latter half of the 19th century. On completion of his studies in 1852, he was given the prestigious post of Bauleiter at the Neues Museum in Berlin, designed by Friedrich August Stüler. He subsequently became a lecturer and in 1861 a professor of architectural history at the Bauakademie in Berlin. Many of his church buildings used medieval motifs and elements, for example the Christuskirche (1862–8) in Berlin and the Elisabethkirche (1869–72) in Wilhelmshafen. He followed Karl Bötticher in his attempts to merge medieval and classical elements, best illustrated in his design for the Thomaskirche (competition 1862; built 1865–70), Berlin. There, Adler used Gothic structural devices embellished with rich Renaissance detail, a tendency that was also present in many of the entries for the Berlin Cathedral competition (...