(1690-1764) became professor of mathematics and historian at St. Petersburg in 1725. He met Euler there, and when he (Goldbach) left St. Petersberg three years later as a tutor to the young Peter II, he and Euler maintained an active correspondence for 35 years. It was Goldbach who first whetted Euler's interest in number theory. In fact, what we refer to today as "Goldbach's Conjecture" (that every even integer is the sum of two primes), was first stated in a letter from Goldbach to Euler.

For more information about Goldbach, visit these links:

- 167 letters from the Euler-Goldbach Correspondence were published by P.H. Fuss
in his
*Correspondance mathématique et physique de quelques célèbres géomètres du XVIIIème siècle*. The letters below all came from Fuss' book. Unfortunately, Fuss often excised the personal part of the correspondence, and published only the scientific material. A complete set of the correspondence will have to wait until the publication of the appropriate volume of the*Opera Omnia*

OO715 | Euler to Goldbach | 13 October, 1729 | Copy of OO715 |

OO716 | Goldbach to Euler | 01 December, 1729 | Copy of OO716 |

OO717 | Euler to Goldbach | 08 January, 1730 | Copy of OO717 |

OO718 | Goldbach to Euler | 22 May, 1730 | Copy of OO718 |

OO719 | Euler to Goldbach | 04 June, 1730 | Copy of OO719 |

OO720 | Goldbach to Euler | 15 June, 1730 | Copy of OO720 |

OO721 | Euler to Goldbach | 25 June, 1730 | Copy of OO721 |

OO722 | Goldbach to Euler | 20 July, 1730 | Copy of OO722 |

OO723 | Euler to Goldbach | 10 August, 1730 | Copy of OO723 |

OO724 | Goldbach to Euler | 09 October, 1730 | Copy of OO724 |

OO725 | Euler to Goldbach | 17 October, 1730 | Copy of OO725 |

OO726 | Goldbach to Euler | 06 November, 1730 | Copy of OO726 |

OO727 | Euler to Goldbach | 09 November, 1730 | Copy of OO727 |

OO728 | Goldbach to Euler | 18 November, 1731 | Copy of OO728 |

OO729 | Euler to Goldbach | 25 November, 1731 | Copy of OO729 |

OO730 | Goldbach to Euler | 06 December, 1731 | Copy of OO730 |

OO731 | Euler to Goldbach | 03 January, 1732 | Copy of OO731 |

OO732 | Goldbach to Euler | 15 January, 1732 | Copy of OO732 |

OO733 | Euler to Goldbach | 31 January, 1732 | Copy of OO733 |

OO734 | Euler to Goldbach | 31 January, 1732 | Copy of OO734 |

OO735 | Euler to Goldbach | March, 1735 | |

OO736 | Goldbach to Euler | 12 October, 1735 | Copy of OO736 |

OO737 | Goldbach to Euler | February, 1736 | Copy of OO737 |

OO738 | Euler to Goldbach | 23 July, 1737 | Copy of OO738 |

OO739 | Goldbach to Euler | 11 October, 1738 | Copy of OO739 |

OO740 | Goldbach to Euler | 07 November, 1739 | Copy of OO740 |

OO741 | Euler to Goldbach | 12 November, 1739 | Copy of OO741 |

OO742 | Goldbach to Euler | 24 November, 1739 | Copy of OO742 |

OO743 | Euler to Goldbach | 26 November, 1739 | Copy of OO743 |

OO744 | Euler to Goldbach | December, 1739 | Copy of OO744 |

OO745 | Goldbach to Euler | 09 December, 1739 | Copy of OO745 |

OO746 | Euler to Goldbach | 09 December, 1739 | |

OO747 | Goldbach to Euler | 03 March, 1740 | |

OO748 | Euler to Goldbach | 21 August, 1740 | Copy of OO748 |

OO749 | Goldbach to Euler | 21 August, 1740 | Copy of OO749 |

OO750 | Euler to Goldbach | 18 April, 1741 | |

OO751 | Goldbach to Euler | 18 June, 1741 | |

OO752 | Euler to Goldbach | 01 August, 1741 | |

OO753 | Goldbach to Euler | 19 August, 1741 | Copy of OO753 |

OO754 | Euler to Goldbach | 09 September, 1741 | Copy of OO754 |

OO755 | Euler to Goldbach | 16 September, 1741 | |

OO756 | Goldbach to Euler | 07 November, 1741 | Copy of OO756 |

OO757 | Euler to Goldbach | 09 December, 1741 | Copy of OO757 |

OO758 | Euler to Goldbach | 03 February, 1742 | |

OO759 | Goldbach to Euler | 13 February, 1742 | Copy of OO759 |

OO760 | Goldbach to Euler | 24 February, 1742 | |

OO761 | Euler to Goldbach | 06 March, 1742 | Copy of OO761 |

OO762 | Euler to Goldbach | 13 March, 1742 | Copy of OO762 |

OO763 | Goldbach to Euler | 12 April, 1742 | Copy of OO763 |

OO764 | Euler to Goldbach | 08 May, 1742 | Copy of OO764 |

OO765 | Goldbach to Euler | 07 June, 1742 | Copy of OO765 |

OO766 | Euler to Goldbach | 30 June, 1742 | Copy of OO766 |

OO767 | Goldbach to Euler | 30 July, 1742 | Copy of OO767 |

OO768 | Euler to Goldbach | 28 August, 1742 | Copy of OO768 |

OO769 | Goldbach to Euler | 01 October, 1742 | Copy of OO769 |

OO770 | Euler to Goldbach | 27 October, 1742 | Copy of OO770 |

OO771 | Goldbach to Euler | 06 December, 1742 | Copy of OO771 |

OO772 | Euler to Goldbach | 15 December, 1742 | Copy of OO772 |

OO773 | Goldbach to Euler | 24 December, 1742 | |

OO774 | Euler to Goldbach | 05 January, 1743 | Copy of OO774 |

OO775 | Euler to Goldbach | 19 January, 1743 | Copy of OO775 |

OO776 | Goldbach to Euler | 05 February, 1743 | Copy of OO776 |

OO777 | Goldbach to Euler | 12 February, 1743 | Copy of OO777 |

OO778 | Euler to Goldbach | 26 February, 1743 | Copy of OO778 |

OO779 | Goldbach to Euler | 23 March, 1743 | Copy of OO779 |

OO780 | Euler to Goldbach | 09 April, 1743 | Copy of OO780 |

OO781 | Goldbach to Euler | 04 May, 1743 | Copy of OO781 |

OO782 | Euler to Goldbach | 21 May, 1743 | Copy of OO782 |

OO783 | Goldbach to Euler | 02 June, 1743 | Copy of OO783 |

OO784 | Euler to Goldbach | 09 July, 1743 | Copy of OO784 |

OO785 | Goldbach to Euler | 30 July, 1743 | Copy of OO785 |

OO786 | Euler to Goldbach | 24 August, 1743 | Copy of OO786 |

OO787 | Goldbach to Euler | 28 September, 1743 | Copy of OO787 |

OO788 | Euler to Goldbach | 15 October, 1743 | Copy of OO788 |

OO789 | Goldbach to Euler | December, 1743 | Copy of OO789 |

OO790 | Euler to Goldbach | 21 January, 1744 | Copy of OO790 |

OO791 | Goldbach to Euler | 12 March, 1744 | Copy of OO791 |

OO792 | Euler to Goldbach | 25 April, 1744 | Copy of OO792 |

OO793 | Goldbach to Euler | 01 June, 1744 | Copy of OO793 |

OO794 | Euler to Goldbach | 04 July, 1744 | Copy of OO794 |

OO795 | Goldbach to Euler | 16 July, 1744 | Copy of OO795 |

OO796 | Goldbach to Euler | 17 August, 1744 | Copy of OO796 |

OO797 | Euler to Goldbach | 16 September, 1744 | Copy of OO797 |

OO798 | Goldbach to Euler | 01 October, 1744 | Copy of OO798 |

OO799 | Euler to Goldbach | 17 November, 1744 | Copy of OO799 |

OO800 | Goldbach to Euler | 26 January, 1745 | Copy of OO800 |

OO801 | Euler to Goldbach | 16 February, 1745 | Copy of OO801 |

OO802 | Goldbach to Euler | 29 May, 1745 | Copy of OO802 |

OO803 | Euler to Goldbach | 19 June, 1745 | Copy of OO803 |

OO804 | Goldbach to Euler | July, 1745 | Copy of OO804 |

OO805 | Euler to Goldbach | 07 August, 1745 | Copy of OO805 |

OO806 | Goldbach to Euler | undated, 1745 | Copy of OO806 |

OO807 | Euler to Goldbach | 23 October, 1745 | Copy of OO807 |

OO808 | Goldbach to Euler | 09 November, 1745 | Copy of OO808 |

OO809 | Goldbach to Euler | 12 November, 1745 | |

OO810 | Euler to Goldbach | 30 November, 1745 | Copy of OO810 |

OO811 | Goldbach to Euler | 28 December, 1745 | Copy of OO811 |

OO812 | Euler to Goldbach | 25 January, 1746 | Copy of OO812 |

OO813 | Euler to Goldbach | 05 February, 1746 | Copy of OO813 |

OO814 | Goldbach to Euler | 26 February, 1746 | Copy of OO814 |

OO815 | Goldbach to Euler | 12 March, 1746 | Copy of OO815 |

OO816 | Euler to Goldbach | 05 April, 0 | Copy of OO816 |

OO817 | Goldbach to Euler | 03 May, 1746 | Copy of OO817 |

OO818 | Goldbach to Euler | 10 May, 1746 | |

OO819 | Euler to Goldbach | 28 May, 1746 | Copy of OO819 |

OO820 | Euler to Goldbach | 14 June, 1746 | Copy of OO820 |

OO821 | Goldbach to Euler | 05 July, 1746 | Copy of OO821 |

OO822 | Euler to Goldbach | 26 July, 1746 | Copy of OO822 |

OO823 | Goldbach to Euler | 27 August, 1746 | Copy of OO823 |

OO824 | Euler to Goldbach | 20 September, 1746 | Copy of OO824 |

OO825 | Goldbach to Euler | 25 October, 1746 | Copy of OO825 |

OO826 | Euler to Goldbach | 29 November, 1746 | Copy of OO826 |

OO827 | Euler to Goldbach | 01 April, 1747 | Copy of OO827 |

OO828 | Goldbach to Euler | 15 April, 1747 | Copy of OO828 |

OO829 | Euler to Goldbach | 06 May, 1747 | Copy of OO829 |

OO830 | Goldbach to Euler | 02 June, 1747 | Copy of OO830 |

OO831 | Euler to Goldbach | 04 July, 1747 | Copy of OO831 |

OO832 | Goldbach to Euler | 12 August, 1747 | Copy of OO832 |

OO833 | Euler to Goldbach | 02 September, 1747 | Copy of OO833 |

OO834 | Goldbach to Euler | 30 September, 1747 | Copy of OO834 |

OO835 | Euler to Goldbach | 24 October, 1747 | Copy of OO835 |

OO836 | Goldbach to Euler | 11 November, 1747 | |

OO837 | Euler to Goldbach | 14 December, 1747 | |

OO838 | Goldbach to Euler | 27 January, 1748 | Copy of OO838 |

OO839 | Euler to Goldbach | 13 February, 1748 | Copy of OO839 |

OO840 | Goldbach to Euler | 06 April, 1748 | Copy of OO840 |

OO841 | Euler to Goldbach | 04 May, 1748 | Copy of OO841 |

OO842 | Goldbach to Euler | 08 June, 1748 | Copy of OO842 |

OO843 | Euler to Goldbach | 25 June, 1748 | Copy of OO843 |

OO844 | Goldbach to Euler | 13 July, 1748 | Copy of OO844 |

OO845 | Euler to Goldbach | 06 August, 1748 | Copy of OO845 |

OO846 | Goldbach to Euler | 07 September, 1748 | Copy of OO846 |

OO847 | Euler to Goldbach | 12 October, 1748 | Copy of OO847 |

OO848 | Goldbach to Euler | 10 February, 1749 | |

OO849 | Euler to Goldbach | 04 March, 1749 | Copy of OO849 |

OO850 | Goldbach to Euler | 27 March, 1749 | Copy of OO850 |

OO851 | Goldbach to Euler | 01 April, 1749 | |

OO852 | Euler to Goldbach | 12 April, 1749 | Copy of OO852 |

OO853 | Euler to Goldbach | 15 April, 1749 | Copy of OO853 |

OO854 | Goldbach to Euler | 16 June, 1749 | Copy of OO854 |

OO855 | Euler to Goldbach | 26 July, 1749 | Copy of OO855 |

OO856 | Goldbach to Euler | 24 March, 1750 | Copy of OO856 |

OO857 | Euler to Goldbach | 14 April, 1750 | |

OO858 | Euler to Goldbach | 09 June, 1750 | Copy of OO858 |

OO859 | Goldbach to Euler | 18 July, 1750 | Copy of OO859 |

OO860 | Euler to Goldbach | 15 August, 1750 | Copy of OO860 |

OO861 | Euler to Goldbach | 17 August, 1750 | Copy of OO861 |

OO862 | Goldbach to Euler | 03 October, 1750 | Copy of OO862 |

OO863 | Euler to Goldbach | 14 November, 1750 | Copy of OO863 |

OO864 | Goldbach to Euler | 04 June, 1751 | Copy of OO864 |

OO865 | Euler to Goldbach | 03 July, 1751 | Copy of OO865 |

OO866 | Goldbach to Euler | 17 July, 1751 | Copy of OO866 |

OO867 | Goldbach to Euler | 03 August, 1751 | Copy of OO867 |

OO868 | Euler to Goldbach | 04 September, 1751 | Copy of OO868 |

OO869 | Goldbach to Euler | 16 October, 1751 | Copy of OO869 |

OO870 | Euler to Goldbach | 04 December, 1751 | Copy of OO870 |

OO871 | Goldbach to Euler | 09 May, 1752 | Copy of OO871 |

OO872 | Euler to Goldbach | 30 May, 1752 | Copy of OO872 |

OO873 | Euler to Goldbach | 03 June, 1752 | Copy of OO873 |

OO874 | Goldbach to Euler | undated, 1752 | Copy of OO874 |

OO875 | Euler to Goldbach | 05 August, 1752 | Copy of OO875 |

OO876 | Goldbach to Euler | 07 October, 1752 | Copy of OO876 |

OO877 | Euler to Goldbach | 28 October, 1752 | Copy of OO877 |

OO878 | Goldbach to Euler | 18 November, 1752 | Copy of OO878 |

OO879 | Euler to Goldbach | 16 December, 1752 | Copy of OO879 |

OO880 | Goldbach to Euler | 12 March, 1753 | Copy of OO880 |

OO881 | Euler to Goldbach | 03 April, 1753 | Copy of OO881 |

OO882 | Goldbach to Euler | 28 June, 1753 | Copy of OO882 |

OO883 | Euler to Goldbach | 04 August, 1753 | Copy of OO883 |

OO884 | Goldbach to Euler | 26 April, 1755 | Copy of OO884 |

OO885 | Euler to Goldbach | 17 May, 1755 | Copy of OO885 |

OO886 | Goldbach to Euler | 05 August, 1755 | Copy of OO886 |

OO887 | Euler to Goldbach | 23 August, 1755 | Copy of OO887 |

OO888 | Goldbach to Euler | 09 December, 1755 | Copy of OO888 |

OO889 | Goldbach to Euler | 13 December, 1755 | |

OO890 | Euler to Goldbach | 03 January, 1756 | Copy of OO890 |

OO891 | Goldbach to Euler | 24 January, 1756 | Copy of OO891 |

OO892 | Euler to Goldbach | 10 February, 1756 | Copy of OO892 |

OO893 | Goldbach to Euler | 23 March, 1756 | Copy of OO893 |

OO894 | Goldbach to Euler | 27 March, 1756 | |

OO895 | Euler to Goldbach | 17 April, 1756 | Copy of OO895 |

OO896 | Goldbach to Euler | 18 May, 1756 | Copy of OO896 |

OO897 | Euler to Goldbach | 11 June, 1756 | Copy of OO897 |

OO898 | Euler to Goldbach | 26 April, 1757 | Copy of OO898 |

OO899 | Euler to Goldbach | 29 June, 1762 | Copy of OO899 |

OO900 | Euler to Goldbach | 25 September, 1762 | Copy of OO900 |

OO901 | Goldbach to Euler | 19 October, 1762 | Copy of OO901 |

OO902 | Euler to Goldbach | 09 November, 1762 | Copy of OO902 |

OO903 | Euler to Goldbach | 01 October, 1763 | Copy of OO903 |

OO904 | Euler to Goldbach | 11 October, 1763 | Copy of OO904 |

OO905 | Goldbach to Euler | 18 October, 1763 | |

OO906 | Goldbach to Euler | 27 October, 1763 | |

OO907 | Euler to Goldbach | 15 November, 1763 | Copy of OO907 |

OO908 | Euler to Goldbach | 17 December, 1763 | Copy of OO908 |

OO909 | Goldbach to Euler | 10 January, 1764 | Copy of OO909 |

OO910 | Euler to Goldbach | 17 March, 1764 | Copy of OO910 |

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