Bertalan Arkay (April 11, 1901 - November 23, 1971), son of architect Aladar Arkay, studied at Budapest Technical University until 1925 and subsequently worked under his father as well as in the Vienna offices of Peter Behrens.

Together with his father, they designed the Roman Catholic memorial church at Mohacs which was begun in 1926 and funded by donations. Arkay workon on the Varosmajori Roman Catholic church in Budapest from 1932 to 1933, after his father's death. The building - with its concrete structure and separate bell tower - was the city's first modern church. He designed residential buildings in the VIII district on the south side of Koztarsasag ter (1933-34).

In 1936 he designed the Hungarian pavilion for the Triennale in Milan and from 1945 worked on restoration of historic buildings - e.g. the Museum of Fine Arts in Budapest and churches in Vac. From 1949 he worked at the Institution for Public Building Design and also designed a number of schools (e.g. Satoraljaujhely, 1943) and apartment buildings. His plans are preserved in the Budapest History Museum.