Co-founder of Sesame Street, Lloyd Morrisett, has died at the age of 93.
The psychologist was praised in a moving tribute for having left an "outsized and indelible legacy" among generations of kids across the globe.
His death was confirmed in a statement on Twitter by the Sesame Workshop - a company he also co-founded. It read: "Sesame Workshop mourns the passing of our esteemed and beloved co-founder Lloyd N Morrisett, PhD, who died at the age of 93.