Complex sentence: At the age of 14, he was sent to Germany for his education, at first the Martineum gymnasium in Halberstadt where he graduated with Abitur in 1905 and later Heidelberg-University in Heidelberg.
Split into simpler sentences: At the age of 14, he was sent to Germany for his education. At first the Martineum gymnasium in Halberstadt where he graduated with Abitur in 1905 and later Heidelberg-University in Heidelberg.