Which song-writing duo wrote hit songs under the pseudonyms Ann Orson and Carte Blanche?

Question

What song was written by Bob Geldof in the aftermath of Brenda Ann Spencer's attempted massacre at an elementary school across the street from her house in San Diego, California, in 1979?

Answer 1

Elton John and Bernie Taupin
"Don't Go Breaking My Heart" and "Hard Luck Story" were both created under the pseudonyms.