Actor Hugh Jackman is extremely saddened after learning about the demise of Broadway icon Stephen Sondheim.

Taking to Twitter, Hugh paid his tribute to Sondheim.

He wrote, “Every so often someone comes along that fundamentally shifts an entire art form. Stephen Sondheim was one of those. As millions mourn his passing I also want to express my gratitude for all he has given to me and so many more. Sending my love to his nearest and dearest.”