Noah Miller Glatfelter (1837-1911) was an American physician, genealogist, and amateur botanist and mycologist who lived in St. Louis, Missouri, between 1867 and 1911.

He also took an early interest in the natural sciences, taking a course in geology, and organizing a display cabinet of rocks and minerals for his school.

He married Mary Hegerty on March 23, 1865, and was then transferred to the Dakota Territory,[6] where he stayed until he was mustered out in 1867, with the brevet rank of major.

They had seven children, Lisbeth M., Florence May, Edith Edna, Alice Maud Mary, Herbert Spencer, Grace Agnes, and Eva Ethel.

Glatfelter was a member of the Grand Army of the Republic Ransom Post # 131, which was founded by General William Tecumseh Sherman and was present at his funeral in 1891.

He corresponded with botanists at Harvard, notably James Franklin Collins, Michael Shuck Bebb, Merritt Lyndon Fernald, Walter Deane and others.

His primary correspondents were Curtis Gates Lloyd and Charles Horton Peck, and he met George F. Atkinson in 1903 at the St. Louis World's Fair.

Glatfelter died on April 2, 1911, after a fall from a ladder, and is buried in Bellefontaine Cemetery in St. Louis with the rest of his family, with the exception of Herbert and Lisbeth.

Have paid some attention to Botany, especially to some researches on hybrid willow in the vicinity of Saint Louis, regarding which papers are published in journals devoted to Science.

Names of children Lisbeth, Florence May (d), Edith Edna, Alice Maud Mary, Grace Agnes (d), Eva Ethel (d), Herbert Spencer.

Fall of 1858 had severe attack of acute inflammatory rheumatism, but since had no serious sickness of any kind -- having been laid up in bed but one day.