Guggenheim Funds Distributors, LLC
                           2455 Corporate West Drive
                             Lisle, Illinois 60532


                               September 12, 2013


Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549


                 Re: Guggenheim Defined Portfolios, Series 1079
                        File Nos. 333-190245 & 811-03763

Ladies/Gentlemen:

     The undersigned, Guggenheim Defined Portfolios, Series 1079 (the "Trust"),
by Guggenheim Funds Distributors, LLC, as the sponsor and depositor of the Trust
and of the units covered by the subject Registration Statement, pursuant to the
provisions of Rule 461 of the General Rules and Regulations of the Securities
and Exchange Commission under the Securities Act of 1933, hereby respectfully
requests that the Securities and Exchange Commission consent to the filing of
the amendment to the Registration Statement and grant acceleration of the
effectiveness of said Registration Statement, as amended, so that the same may
become effective as early as practicable on September 17, 2013 or as soon
thereafter as possible.

                                      Very truly yours,

                                      Guggenheim Defined Portfolios, Series 1079

                                      By: Guggenheim Funds Distributors, LLC


                                      By: /s/ Amy Lee
                                          ---------------
                                          Amy Lee
                                          Vice President and Secretary