Born in Switzerland, Hermann Jaeger (1844-1895) was a grandson of the famous educator and school reformer Johann Heinrich Pestalozzi (1746-1827) and learned the profession of a gardener. He emigrated to America as a young man and settled in 1865 east of Neosho (Missouri). Together with his brother John, he cultivated grapes there. Subsequently, he was a breeder of grape varieties, regularly writing articles for magazines and exchanging information with European grape experts. For this purpose he preferred to make selections from Wild vines of the species Vitis lincecumii from the Ozarks area in Missouri by. Jaeger experimented with intersections other American species like Vitis aestivalis and the phylloxera-resistant Vitis rupestris,
The escalated in the 1870s phylloxera in Europe. When the cause of the vine dieback was finally recognized, the search for resistant vines worldwide. Missouri entomologist Charles Valentine Riley (1843-1895) represented the great one resistance of the Jaeger varieties against the pest. The Jaegerreben and many others from nurseries Missouri was exported to Europe in huge quantities and used in the fight against the pest.
The most important Jaeger vine was the Jaeger 70, which later became the friend of the US botanist Thomas Volney Munson (1843-1913) as Munson was designated. This was mainly from the French breeder Albert Seibel (1844-1936) for many of his new varieties used and became, so to speak, the progenitor of numerous French hybrids, Jaeger vines were also among the new varieties of the American hybrids America, Estella, Kiowa, Quintina, rosette and Waubeck involved. For his services to vine and wine, Hermann Jaeger was appointed Knight of the Legion of Honor by the French government in 1893. Two years later he disappeared without a trace and left a farewell letter; suicide is suspected.