He then studied in Paris under the guidance of the figure painters Gustave Boulanger and Jules-Joseph Lefebvre[2] at the Academie Julian for a short time.

[1] In London, he found success in society portraits, especially of children and including members of the British royal family.

Mann had three daughters, who appeared in several of his paintings, including Cathleen Sabine, an artist, who married Francis Douglas, 11th Marquess of Queensberry and then J.R.

Mann, the magazine reported, had "always showed singular versatility, having devoted himself by turns to decorative cartoons for stained glass, to mural painting, landscape, genre, and portraiture."

The magazine went on "While his likenesses usually maintain a high level of attainment, it is in certain less formal portrait groups that Mr. Mann reveals perhaps the most sympathetic and attractive phase of his talent."