Oliver Howe Moulton was born in 1829 in Dover, NH. His career was mainly focused in manufacturing acting as overseerer of the Pemberton Mills, in Lawrence, MA in the 1850s, Superintendent of the Amoskeag Coporation in the early 1860s, and lastly as Superintendent of the Hamilton Manufacturing company, residing here in Lowell from 1864-1907.
Ernest Ipsen was born in 1869 in Malden, MA, a son of Danish parents. He studied at the Museum of Fine Arts, Boston, from 1884-1887. He continued his training at the Royal Danish Academy of Fine Arts from 1887-1891. After his time studying in Copenhagen, Ipsen returned to Boston and established a studio in the Harcourt Studio building, where he remained from 1900-1904. Eventually moving to New York, he established a studio on 19th street and would continue to work out of the National Arts Club Studio until 1934. He returned to Massachusetts, where he lived in South Dartmouth until the death of his wife. He then settled in Florida until his death in 1951.