909 HAECKEL: HIS LIFE, WORK, AND COMPANIONS 
way to the later discoveries of Strasberger, Hertwig and 
their followers. On these facts conflicting theories have 
been built up. But the subject is obscure, and science 
moves at a rapid pace. Cautious men point out that not 
long ago it was impossible to look through solid matter, 
that dogmatism is unseemly, and that ‘‘ Science commits 
suicide when it adopts a creed.”’ 
The University of Jena, where Haeckel has spent 
forty-eight years of his professional life, is beautifully 
situated in the valley of the Saale, about fifty miles from 
Leipzig. The town is famed for its places reminiscent of 
great men. Luther spent the night there at the Black Bear 
tavern, now an Hotel, after his escape from the Wartburg, 
near Kisanach, where his room and its outfit are still pre- 
served. It wasat Jena that Goethe wrote his ‘‘ Hermann 
and Dorothea,’’ and in another spot a bust of Schiller marks 
the place where he wrote ‘‘ Wallenstein.’’ The university 
dates back to the middle of the sixteenth century. It was 
founded as a centre for the new learning of that day ; and 
-has ever since been noted for willingness to grant able men 
a hearing for ail new learning. Besides many other notable 
men, Fichte, Hegel, Oken and Schiller, were lecturers at 
Jena. 
But of all the gifted men associated with this famous 
seat of learning, it is questionable if the writings of any one 
of them have been so widely read, in the same time, as 
those of Haeckel. A few years since a celebration in his 
honour was held at Jena, when his marble bust, by Kopf, 
the Roman sculptor, was presented tohim. Professors and 
heads of universities in all parts ef the world, from America 
to India, contributed to the testimonial. At the gathering 
a list of his books was given. Apart from contributions to 
scientific journals, the list showed more than forty volumes, 
having the aggregate of thirteen thousand pages. 
His seventieth birthday in 1904 found him in Italy, 
engaged in his favourite studies. ‘To a Munich journal, 
