LONDON — Tributes have poured in for singer David Bowie, who died Sunday aged 69. Politicians, entertainers, actors and astronauts have expressed their sadness at his death. Here is a look at some of the reactions:

Bowie’s son, director Duncan Jones, posted a picture of his smiling father on Twitter:

“Very sorry and sad to say it’s true. I’ll be offline for a while. Love to all.”

Astronaut Tim Peake, who is aboard the International Space Station:

“Saddened to hear David Bowie has lost his battle with cancer – his music was an inspiration to many.”

Former astronaut Chris Hadfield, who performed “Space Oddity,” on the International Space Station in 2013:

“Ashes to ashes, dust to stardust. Your brilliance inspired us all. Goodbye Starman.”

German Foreign Office:

“Good-bye, David Bowie. You are now among (hash)Heroes. Thank you for helping to bring down the (hash)wall.”

The Rolling Stones:

“The Rolling Stones are shocked and deeply saddened to hear of the death of our dear friend David Bowie. As well as being a wonderful and kind man, he was an extraordinary artist, and a true original.”

Madonna:

“Im Devastated! This great Artist changed my life! First concert i ever saw in Detroit!”

Iggy Pop:

“David’s friendship was the light of my life. I never met such a brilliant person. He was the best there is.”

Harry Potter author J.K. Rowling:

“I wish he could have stayed on earth longer. RIP.”

Archbishop of Canterbury Justin Welby told the BBC he remembered Bowie’s early rise to stardom:

“I remember sitting listening to his songs endlessly in the ‘70s particularly and always really relishing what he was, what he did, the impact he had,” Welby said. “Extraordinary person.”

British Prime Minister David Cameron:

“Genius is an over-used word but I think musically, creatively, artistically David Bowie was a genius.”

“For someone of my age he provided a lot of the soundtrack of our lives.”