diff --git a/app/assets/javascripts/inbox.coffee b/app/assets/javascripts/inbox.coffee
index d6440e07..67011af3 100644
--- a/app/assets/javascripts/inbox.coffee
+++ b/app/assets/javascripts/inbox.coffee
@@ -18,6 +18,12 @@
     complete: (jqxhr, status) ->
       btn.button "reset"
 
+($ document).on "click", "button#ib-author", ->
+  $('#author_form').submit ->
+    query = $('#author').val()
+    window.location.href = '/inbox/' + query
+    false
+
 
 ($ document).on "click", "button#ib-delete-all", ->
   btn = ($ this)
@@ -56,6 +62,43 @@
           btn.removeClass 'disabled'
           btn[0].dataset.ibCount = 0
 
+($ document).on "click", "button#ib-delete-all-author", ->
+  btn = ($ this)
+  count = btn[0].dataset.ibCount
+  swal
+    title: translate('frontend.inbox.confirm_all.title', {count: count})
+    text: translate('frontend.inbox.confirm_all.text')
+    type: "warning"
+    showCancelButton: true
+    confirmButtonColor: "#DD6B55"
+    confirmButtonText: translate('views.actions.delete')
+    cancelButtonText: translate('views.actions.cancel')
+    closeOnConfirm: true
+  , ->
+    btn.button "loading"
+    succ = no
+    $.ajax
+      url: "/ajax/delete_all_inbox/#{location.pathname.split('/')[2]}"
+      type: 'POST'
+      dataType: 'json'
+      success: (data, status, jqxhr) ->
+        if data.success
+          succ = yes
+          ($ "div#pagination, button#load-more-btn").slideUp()
+          entries = ($ "div#entries")
+          entries.slideUp 400, ->
+            entries.html("Nothing to see here.")
+            entries.fadeIn()
+      error: (jqxhr, status, error) ->
+        console.log jqxhr, status, error
+        showNotification translate('frontend.error.message'), false
+      complete: (jqxhr, status) ->
+        if succ
+# and now: a (broken?) re-implementation of Bootstrap's button.js
+          btn.html btn.data('resetText')
+          btn.removeClass 'disabled'
+          btn[0].dataset.ibCount = 0
+
 
 $(document).on "keydown", "textarea[name=ib-answer]", (evt) ->
   iid = $(this)[0].dataset.id
diff --git a/app/controllers/ajax/inbox_controller.rb b/app/controllers/ajax/inbox_controller.rb
index 9a8a2f3e..110adc40 100644
--- a/app/controllers/ajax/inbox_controller.rb
+++ b/app/controllers/ajax/inbox_controller.rb
@@ -69,4 +69,23 @@ class Ajax::InboxController < ApplicationController
     @success = true
     render 'ajax/inbox/remove'
   end
+
+  def remove_all_author
+    begin
+      @target_user = User.find_by_screen_name params[:author]
+      @inbox = current_user.inboxes.joins(:question)
+                   .where(questions: { user_id: @target_user.id, author_is_anonymous: false })
+      @inbox.each { |i| i.remove }
+    rescue
+      @status = :err
+      @message = I18n.t('messages.error')
+      @success = false
+      return
+    end
+
+    @status = :okay
+    @message = I18n.t('messages.inbox.remove_all.okay')
+    @success = true
+    render 'ajax/inbox/remove'
+  end
 end
diff --git a/app/controllers/inbox_controller.rb b/app/controllers/inbox_controller.rb
index 728141bd..a63a4bce 100644
--- a/app/controllers/inbox_controller.rb
+++ b/app/controllers/inbox_controller.rb
@@ -2,7 +2,27 @@ class InboxController < ApplicationController
   before_filter :authenticate_user!
 
   def show
-    @inbox = Inbox.where(user: current_user).order(:created_at).reverse_order.paginate(page: params[:page])
+    @inbox = Inbox.where(user: current_user)
+                  .order(:created_at).reverse_order
+                  .paginate(page: params[:page])
+    if params[:author].present?
+      begin
+        @author = true
+        @target_user = User.find_by_screen_name params[:author]
+        @inbox_author = current_user.inboxes.joins(:question)
+                                     .where(questions: { user_id: @target_user.id, author_is_anonymous: false })
+                                     .paginate(page: params[:page])
+        if @inbox_author.empty?
+          flash[:info] = "No questions from @#{params[:author]} found, showing default entries instead!"
+          @inbox
+        else
+          @inbox = @inbox_author
+        end
+      rescue
+        flash[:error] = "No user with the name @#{params[:author]} found, showing default entries instead!"
+        @inbox
+      end
+    end
     respond_to do |format|
       format.html
       format.js
diff --git a/app/views/inbox/_sidebar.html.haml b/app/views/inbox/_sidebar.html.haml
index b12bc91f..024e73f1 100644
--- a/app/views/inbox/_sidebar.html.haml
+++ b/app/views/inbox/_sidebar.html.haml
@@ -13,8 +13,17 @@
     %a.btn.btn-block.btn-primary{target: '_blank', href: "http://www.tumblr.com/share/link?url=#{show_user_profile_url(current_user.screen_name)}&name=Ask%20me%20anything%21"}
       %i.fa.fa-fw.fa-tumblr
       = raw t('views.inbox.sidebar.share.button', service: "Tumblr")
+.panel.panel-default.inbox--panel
+  .panel-heading
+    %h3.panel-title Show author
+  .panel-body
+    %form#author_form
+      = bootstrap_form_tag url: inbox_path, method: :get do |f|
+        = f.text_field :author, value: params[:author], placeholder: "username", prepend: "@" , hide_label: true
+        = f.button "Show", name: nil, class: "btn btn-default btn-block btn-sm", id: "ib-author"
 .panel.panel-default.warning--panel
   .panel-heading
     %h3.panel-title= t 'views.inbox.sidebar.actions.title'
   .panel-body
-    %button.btn.btn-block.btn-danger{type: :button, id: 'ib-delete-all', disabled: (Inbox.where(user: current_user).empty? ? 'disabled' : nil), data: { ib_count: Inbox.where(user: current_user).count }}= t 'views.inbox.sidebar.actions.button'
+    %button.btn.btn-block.btn-danger{type: :button, id: @author ? 'ib-delete-all-author' : 'ib-delete-all', disabled: (Inbox.where(user: current_user).empty? ? 'disabled' : nil), data: { ib_count: Inbox.where(user: current_user).count }}= t 'views.inbox.sidebar.actions.button'
+
diff --git a/config/routes.rb b/config/routes.rb
index 21d6ea56..6b00da95 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -73,6 +73,7 @@ Rails.application.routes.draw do
     match '/generate_question', to: 'inbox#create', via: :post, as: :generate_question
     match '/delete_inbox', to: 'inbox#remove', via: :post, as: :delete_inbox
     match '/delete_all_inbox', to: 'inbox#remove_all', via: :post, as: :delete_all_inbox
+    match '/delete_all_inbox/:author', to: 'inbox#remove_all_author', via: :post, as: :delete_all_author
     match '/answer', to: 'answer#create', via: :post, as: :answer
     match '/destroy_answer', to: 'answer#destroy', via: :post, as: :destroy_answer
     match '/create_friend', to: 'friend#create', via: :post, as: :create_friend
@@ -99,6 +100,7 @@ Rails.application.routes.draw do
   match '/notifications(/:type)', to: 'notifications#index', via: :get, as: :notifications, defaults: {type: 'all'}
 
   match '/inbox', to: 'inbox#show', via: 'get'
+  match '/inbox/:author', to: 'inbox#show', via: 'get'
 
   match '/user/:username(/p/:page)', to: 'user#show', via: 'get', defaults: {page: 1}
   match '/@:username(/p/:page)', to: 'user#show', via: 'get', as: :show_user_profile_alt, defaults: {page: 1}