Friedrich Ratzel was born in 1844.
Friedrich Ratzel died in 1904.
Max-Peter Ratzel was born in 1949.
The concept of biomes was popularized by German scientist Friedrich Ratzel in the late 19th century. However, the idea that distinct regions have unique collections of plants and animals predates Ratzel, with early naturalists like Alexander von Humboldt making observations on biogeography.
Friedrich Born was born in 1903.
Friedrich Golling was born in 1883.
Gerhard Friedrich was born on 1917-09-16.
Friedrich Pfotenhauer was born in 1859.
Friedrich Westmeyer was born in 1873.
Friedrich Siebenrock was born in 1853.
Friedrich Kiel was born in 1821.
Friedrich Kipp was born in 1814.
Friedrich Koch was born in 1862.