The String of Pearls was written by Malcolm J. Rymer when a young man. […] Rymer wrote many other works afterwards under the nom-de-plume of “Errym Rymer.” He is dead, but was known as Cocky Rymer. He was not above four feet high.
Thus G. Read Clarke, writing to the Liverpool Mercury in 1900, gives us one of the few personal glimpses of James Malcolm Rymer. The confusion over names is typical: Rymer more than once signed himself as Malcolm rather than James, and never put his real name to his many “Penny Dreadful” works. Seemingly a very private man, his name was all but forgotten after 1865, when he ceased to write: a bibliography of his works still poses severe problems, and …
Collins, Dick. "James Malcolm Rymer". The Literary Encyclopedia. First published 18 June 2008
[http://www.litencyc.com/php/speople.php?rec=true&UID=12213, accessed 29 April 2017.]