Frankl is a surname. Notable people with the surname include: Ludwig August von Frankl (1810–1894), Austrian writer and philanthropist. Michal Frankl (born 1974), Czech historian. Nicholas Frankl (born 1971), British-Hungarian entrepreneur. Paul Frankl (1878–1962), German art historian. Paul T. Frankl (1886–1958), Austrian Art Deco furniture designer and maker, architect, painter, and writer. Paulette Frankl (born 1937), American courtroom artist. Peter Frankl (born 1935), British pianist. Péter Frankl (born 1953), Hungarian mathematician. Pinkus Frankl (1848–1887), German rabbi.
https://en.wikipedia.org/wiki/Frankl