Estelle Allen DeLacy

200s BC (1) 270s BC (1) 280s BC (1) 290s BC (1) 3. Jahrhundert v. Chr. (1) 300s BC (2) 310s BC (1) 4. Jahrhundert v. Chr. (1) Academy at Athens (1) Advanced / 9th Grade+ (1) Afrika (1) Ancient History / 5000 BC-500 AD (1) Antikes Griechenland (2) Archimedes (2) Aristoteles (2) Arithmetik (1) Astronomie (1) Axiome (1) Bibliothek von Alexandria (2) Biographie (6) Biography:Scientist (1) Erzählung (1) Euklid (4) Geometrie (6) Geschichte (3) GR 9 (1) Griechenland (2) Immortals of Science (2) J 92 Euclid (1) mathematicians (3) Mathematik (5) Platon (2) Proklos (1) Ptolemy I Soter (Ruler of Egypt) (1) Ptolemy II Philadelphus (King of Ptolemaic Egypt) (1) Pythagoras (2) Reshelving Alexandria (2) Reshelving Alexandria Time Capsule Library (1) Weltgeschichte (1) Wissenschaft (2)