George "Gogu" Constantinescu (Romanian pronunciation: ['d??e?ord??e konstanti'nesku] (listen), first name's diminutive is Gogu, last name also Constantinesco; 4 October 1881 – 11 December 1965) was a Romanian scientist, engineer and inventor.
During his career, he registered over 130 inventions.
He is the creator of the theory of sonics, a new branch of continuum mechanics, in which he described the transmission of mechanical energy through vibrations.
Born in Craiova in "the Doctor's House" near the Mihai Bravu Gardens, he was influenced by his father George, born in 1844 (a professor of mathematics and engineering science, specialized in mathematics at the Sorbonne University).
Gogu Constantinescu settled in the United Kingdom in 1912.
He was an honorary member of the Romanian Academy.