Exhibit 24.1

                               POWER OF ATTORNEY

        The undersigned constitutes and appoints Elliott Smith, Jessica Chen,
Stephanie Rohlfs, Jordan Leon, Appy Ali and Min Pang, or any of them acting
singly, as the undersigned's true and lawful attorneys-in-fact and agents, with
full power of substitution and resubstitution, for the undersigned and in the
undersigned's name, place and stead, to:

        1.     prepare, sign, and submit to the Securities and Exchange
Commission (the "SEC") on its Electronic Data Gathering, Analysis, and Retrieval
("EDGAR") Filer Management website a Form ID application, including any
amendments and exhibits thereto, and any other related documents as may be
necessary or appropriate, to obtain from the SEC access codes to permit filing
on the SEC's EDGAR system, granting unto said attorneys-in-fact and agents, and
each of them, full power and authority to do and perform each act and thing
requisite and necessary to be done as required by any rule or regulation of the
SEC and the EDGAR Filer Manual as fully and to all intents and purposes as the
undersigned might or could do in person, hereby ratifying and confirming all
that said attorneys-in-fact and agents, and each of them, may lawfully do or
cause to be done by virtue hereof; and

        2.    sign any and all SEC statements of beneficial ownership of
securities of Altitude Acquisition Corp. (the "Company") on Schedule 13D as
required under Section 13 and Forms 3, 4 and 5 as required under Section 16(a)
of the Securities Exchange Act of 1934, as amended, and any amendments thereto,
and to file the same with all exhibits thereto, and other documents in
connection therewith, with the SEC, the Company and any stock exchange on which
any of the Company's securities are listed, granting unto said attorneys-in-fact
and agents, and each of them, full power and authority to do and perform each
act and thing requisite and necessary to be done under said Section 13 and
Section 16(a), as fully and to all intents and purposes as the undersigned might
or could do in person, hereby ratifying and confirming all that said attorneys-
in-fact and agents, and each of them, may lawfully do or cause to be done by
virtue hereof.

        A copy of this power of attorney shall be filed with the SEC.  The
authorization set forth above shall continue in full force and effect until the
undersigned revokes such authorization by written instructions to the attorneys-
in-fact.

        The authority granted hereby shall in no event be deemed to impose or
create any duty on behalf of the attorneys-in-fact with respect to the
undersigned's obligations to file a Form ID, Schedule 13Ds and Forms 3, 4 and 5
with the SEC.


Dated: August 21, 2020

                                              ALTITUDE ACQUISITION HOLDCO LLC

                                              /s/ Gary Teplis
                                              ----------------------------------
                                              Name: Gary Teplis
                                              Title: Managing Member