sentences:  The first isolation of MLA, from "Delphinium brownii", Rydb., was probably made by Richard Manske at the National Research Laboratories in Ottawa, Canada, in 1938.Presumably because he did not obtain the compound in sufficiently pure form, Manske declined to give it a name.The name "methyl-lycaconitine" was assigned by John Goodson, working at the Wellcome Chemical Research Laboratories in London, England, when he isolated the alkaloid, in purer form, from seeds of "Delphinium elatum", L. in 1943.