Danziger De Castro also claimed that he had received the rabbinical ordination by Rabbi Israel Jehoszua Trunk called 'R.
On February 1, 1920, he was one of the thirty-nine founders of the Sephardic Community of Los Angeles (La Comunidad Sefardi) and was elected the first president of the congregation.
Adolphe Danziger De Castro died at almost 100 years in Los Angeles, California on March 4, 1959.
Danziger translated the story "Der Mönch von Berchtesgaden" (The Monk of Berchtesgaden), by German author Richard Voß, published in a German monthly magazine in 1891, into English and contracted Ambrose Bierce, who supported Danziger's literary ambitions between 1886 and 1894, to edit the story.
H. P. Lovecraft, with whom Danziger De Castro corresponded between 1927 and 1936, revised two of his early short stories in the late 1920s; they were published in Weird Tales.