Complex sentence: In 1879, he became connected editorially with the publishing house of Charles Scribner's Sons, New York, and in 1886 was appointed founding editor-in-chief of "Scribner's Magazine", where he served until his resignation in 1914.
Split into simpler sentences: In 1879, he became connected editorially with the publishing house of Charles Scribner's Sons, New York. In 1886, he was appointed founding editor-in-chief of "Scribner's Magazine", where he served until his resignation in 1914.