1908-1909. Group of seven signed photographs of mostly German zoologists, geneticists, and physiologists Ernst Haekel, August Weismann, Wilhelm Roux, Richard Hertwig, Hugo de Vries, Jacques Loeb, and Carl Herkit inscribed between Dec 24, 1908 and March 25, 1909.
6 sheets measuring 27 x 36.5cm, with the image measuring 11.75 x 20cm, inscribed, dated, and signed below. All have some mild toning, very slight wear to corners;
Jacques Loeb measures 23 x 30.5cm and is mounted on black paper, some small water-stains, one impacts image;
Carl Herkit dated 25/3/09, Hugo de Vries dated Dec 24 1908, Richard Hertwig dated 12 Febr 1909, Ernst Haekel dated 23 Januar 1909 'Phylogenia est vera causa Ontogeniae', August Weismann dated 22 Feb 1909, Wilhelm Roux dated 10 Jan 1909, Jacques Loeb undated, 'yours very sincerely';
NR consignment; shelved case 0.
Shelved Dupont Bookstore
Ernst Haeckel (1834-1919) was a German zoologist, naturalist, eugenicist, philosopher, physician, professor, marine biologist and artist.;
August Friedrich Leopold Weismann (1834-1914) was a German evolutionary biologist. Ernst Mayr ranked him as the second most notable evolutionary theorist of the 19th century, after Charles Darwin.;
Wilhelm Roux (1850-1924) was a German zoologist and pioneer of experimental embryology.;
Richard Hertwig (1850-1937) was a German zoologist and professor of 50 years, notable as the first to describe zygote formation as the fusing of spermatozoa inside the membrane of an egg cell during fertilization.;
Hugo Marie de Vries (1848-1935) was a Dutch botanist and one of the first geneticists. He is known chiefly for suggesting the concept of genes, rediscovering the laws of heredity in the 1890s while apparently unaware of Gregor Mendel's work, for introducing the term "mutation", and for developing a mutation theory of evolution.;
Jacques Loeb (1859-1924) was a German-born American physiologist and biologist. [wikipedia];