digraph g18231 {
    x18231 [label="Carl Friedrich Gauß\nPh.D. Universität Helmstedt 1799"];
    x18231 -> x18230;
    x18230 [label="Johann Friedrich Pfaff\nDr. phil. Georg-August-Universität Göttingen 1786"];
    x18230 -> x66476;
    x18230 -> x127710;
    x66476 [label="Abraham Gotthelf Kästner\nPh.D. Universität Leipzig 1739"];
    x66476 -> x57670;
    x127710 [label="Johann Elert Bode\n Handelsakademie Hamburg "];
    x127710 -> x127668;
    x57670 [label="Christian August Hausen\nDr. phil. Martin-Luther-Universität Halle-Wittenberg 1713"];
    x57670 -> x72669;
    x57670 -> x128986;
    x127668 [label="Johann Georg Büsch\nMagister Georg-August-Universität Göttingen 1752"];
    x127668 -> x60782;
    x72669 [label="Johann Christoph Wichmannshausen\nPh.D. Universität Leipzig 1685"];
    x72669 -> x21235;
    x128986 [label="Johann Andreas Planer\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1686"];
    x128986 -> x128046;
    x60782 [label="Johann Andreas Segner\nD.Phil. Friedrich-Schiller-Universität Jena 1725"];
    x60782 -> x125886;
    x21235 [label="Otto Mencke\nPh.D. Universität Leipzig 1665"];
    x21235 -> x137705;
    x128046 [label="Johann Pasch\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1683"];
    x128046 -> x127962;
    x125886 [label="Georg Erhard Hamberger\nMag. phil. Friedrich-Schiller-Universität Jena 1684"];
    x137705 [label="Jakob Thomasius\nMagister der Philosophie Universität Leipzig 1643"];
    x137705 -> x143630;
    x127962 [label="Michael d. J. Walther\nMagister Martin-Luther-Universität Halle-Wittenberg 1656"];
    x127962 -> x127801;
    x143630 [label="Friedrich Leibniz\nMagister der Philosophie Universität Leipzig 1622"];
    x127801 [label="Aegidius Strauch\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1633"];
    x127801 -> x127734;
    x127734 [label="Nicolaus Zapf\nMagister artium Friedrich-Schiller-Universität Jena 1622"];
    x127734 -> x127424;
    x127424 [label="Erasmus Schmidt\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1592"];
    x127424 -> x127898;
    x127424 -> x127942;
    x127898 [label="Sethus Calvisius\nMagister artium Universität Leipzig 1582"];
    x127898 -> x127864;
    x127898 -> x127790;
    x127942 [label="Petrus Otto\n  "];
    x127864 [label="Nikolaus Selnecker\nDr. theol. Martin-Luther-Universität Halle-Wittenberg 1570"];
    x127790 [label="Moritz Valentin Steinmetz\nMagister artium, Medicinae Dr. Universität Leipzig 1550, 1567"];
    x127790 -> x126827;
    x127790 -> x184935;
    x126827 [label="Georg Joachim von Leuchen Rheticus\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1535"];
    x126827 -> x126730;
    x126827 -> x126177;
    x184935 [label="Johann Hoffmann\n  "];
    x126730 [label="Johannes Volmar\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1515"];
    x126730 -> x126724;
    x126177 [label="Nicolaus (Mikołaj Kopernik) Copernicus\nJuris utriusque Doctor Università di Bologna and Università degli Studi di Padova and Uniwersytet Jagielloński and Università degli Studi di Ferrara 1499"];
    x126177 -> x126113;
    x126177 -> x126112;
    x126724 [label="Bonifazius Erasmi\nMagister artium Martin-Luther-Universität Halle-Wittenberg 1509"];
    x126113 [label="Leonhard (Leonard Vitreatoris z Dobczyc) von Dobschütz\nMagister artium Uniwersytet Jagielloński 1489"];
    x126112 [label="Domenico Maria Novara da Ferrara\n Università degli Studi di Firenze 1483"];
    x126112 -> x126109;
    x126112 -> x126888;
    x126109 [label="Johannes Müller Regiomontanus\nMagister artium Universität Leipzig and Universität Wien 1457"];
    x126109 -> x126087;
    x126109 -> x131561;
    x126888 [label="Luca Pacioli\n  "];
    x126087 [label="Georg von Peuerbach\nMagister artium Universität Wien 1440"];
    x126087 -> x126887;
    x131561 [label="Basilios Bessarion\n Mystras 1436"];
    x131561 -> x131575;
    x126887 [label="Johannes von Gmunden\nMagister artium Universität Wien 1406"];
    x126887 -> x127264;
    x131575 [label="Georgios Plethon Gemistos\n  1380, 1393"];
    x131575 -> x134780;
    x131575 -> x134781;
    x127264 [label="Heinrich von Langenstein\nMagister artium Université de Paris 1363"];
    x127264 -> x199357;
    x134780 [label="Demetrios Kydones\n  "];
    x134780 -> x146365;
    x134781 [label="Elissaeus Judaeus\n  "];
    x199357 [label="Nicole Oresme\n  "];
    x146365 [label="Nilos Kabasilas\n  1363"];
    x146365 -> x176844;
    x176844 [label="Gregory Palamas\n  "];
    x176844 -> x184631;
    x184631 [label="Theodore Metochites\n  1315"];
    x184631 -> x184632;
    x184632 [label="Manuel Bryennios\n  "];
    x184632 -> x201288;
    x201288 [label="Gregory Chioniadis\n Ilkhans Court at Tabriz 1296"];
    x201288 -> x204293;
    x204293 [label="Shams al‐Dīn al‐Bukhārī\n Maragheh Observatory "];
    x204293 -> x217509;
    x217509 [label="Nasir al-Dīn al-Ṭūsī\n  "];
    x217509 -> x223724;
    x223724 [label="Kamāl al-Dīn Ibn Yūnus\n  "];
    x223724 -> x230926;
    x230926 [label="Sharaf al-Dīn al-Ṭūsī\n  "];
}