(CNN)French TV prima Igor Bogdanoff has died of Covid-19, six days aft his duplicate member Grichka died owed to the aforesaid disease, the brothers' lawyer confirmed to CNN Tuesday.
Maitre Eduoard de Lamaze said helium was informed astir the deaths by the twins' relatives.
"They are dormant from Covid," helium told CNN. "They were some astatine the aforesaid hospital, Grichka died six days earlier than Igor."
He said they had been astatine the Georges Pompidou infirmary since December 15 aft contracting Covid successful November. Igor Bogdanoff died connected Monday, and Grichka Bogdanoff died past Tuesday.
De Lamaze said that it is "very bittersweet to spot those 2 men who loved each different truthful much, who were happy, kind, and original, go."
He added that the brothers had been steadfast anterior to contracting Covid-19.
The brothers were celebrities successful France, not slightest due to the fact that of their antithetic facial features. Outside France, they were known for appearing successful a viral cryptocurrency meme.
The Bogdanoffs began their careers successful France hosting fashionable tv shows astir subject and subject fiction, including "Temps X" (Time X successful English) and "Rayons X" (X Rays) and de Lamaze said of the 2 and their involvement successful subject that "they had elemental answers to large problems and... had accessible answers to the wide public."
Igor Bogdanoff held a PhD successful theoretical physics from the University of Burgundy, and Grichka besides had a PhD from the aforesaid school. The twins had besides published physics theses successful HAL -- an unfastened archive which allows authors to "deposit scholarly documents from each world fields," according to its website.
However, the validity of these papers was called into question by scientists who doubted their world work. In 2003, the French National Center for Scientific Research (CNRS) requested that researchers reappraisal the twins' respective theses, reports the French paper Le Monde.
CNN's Hannah Ryan and Stephanie Halasz contributed reporting.