What the name of the person under whose direction the construction of the clock Big Ben was conducted

Big Ben is the nickname for the great bell of the clock at the north end of the Palace of Westminster in London, and is generally extended to refer to the clock or the clock tower as well.
The present Clock Tower was raised as a part of Charles Barry's design for a new palace, after the old Palace of Westminster was largely destroyed by fire on the night of 16 October 1834. Although Barry was the chief architect of the Palace, he turned to Augustus Pugin for the design of the Clock Tower, which resembles earlier Pugin designs, including one for Scarisbrick Hall. The design for the Clock Tower was Pugin's last design before his final descent into madness and death, and Pugin himself wrote, at the time of Barry's last visit to him to collect the drawings: "I never worked so hard in my life for Mr Barry for tomorrow I render all the designs for finishing his bell tower & it is beautiful."
The dial of the Great Clock of Westminster. The hour hand is 2.7 metres (9 ft) long and the minute hand is 4.3 metres (14 ft) long
The clock and dials were designed by Augustus Pugin
The clock's movement is famous for its reliability. The designers were the lawyer and amateur horologist Edmund Beckett Denison, and George Airy, the Astronomer Royal. Construction was entrusted to clockmaker Edward John Dent; after his death in 1853 his stepson Frederick Dent completed the work, in 1854

я ьабушка и не знаю человека создавшего часы БОЛЬШОГО БЕНА. МОЖЕТ Я НЕ ТАК ПОНЯЛА? ЛЁХА.