REVELATION BIOSCIENCES, INC.

LIMITED POWER OF ATTORNEY FOR REPORTING UNDER SECTION 16(a) OF THE SECURITIES
EXCHANGE ACT OF 1934, AS AMENDED

     Know all by these presents, that the undersigned hereby constitutes and
appoints J.P. Galda and Chester S. Zygmont, III, and either of them signing
singly, the undersigned's true and lawful attorney-in-fact to:

     (1) execute for and on behalf of the undersigned, in the undersigned's
capacity as director of Revelation Biosciences, Inc. (the "Company"), any of
Form 144, 3, 4, 5 and any Schedules 13D or 13G in accordance with Sections 13 or
16(a) of the Securities Exchange Act of 1934, as amended, and the rules
thereunder;

     (2) do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such Form 144,
3, 4, 5 and any Schedules 13D or 13G, complete and execute any amendment or
amendments thereto, and file any such form with the United States Securities and
Exchange Commission and any stock exchange or similar authority, including
completing and executing a Uniform Application for Access Codes to File on Edgar
on Form ID; and

     (3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact may approve in such
attorney-in-fact's discretion.

     The undersigned hereby grants to each attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as the undersigned might or
could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
any of the undersigned's responsibilities to comply with Sections 13 or 16 of
the Securities Exchange Act of 1934.

     This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Form 144, 3, 4, 5 and any Schedules
13D or 13G in the Company, the undersigned is no longer employed by the Company
or serves as a director of the Company, or unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing attorney-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 20th day of January, 2020.

/s/ George F. Tidmarsh, MD PhD
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Name: George F. Tidmarsh, MD PhD