diff --git a/Rakefile b/Rakefile
index a4a521d..8ed4c33 100644
--- a/Rakefile
+++ b/Rakefile
@@ -13,7 +13,7 @@ ENV['RDOCOPT'] = '-c utf8'
 Hoe.plugin :git
 
 Hoe.spec('spreadsheet') do |p|
-   p.developer('Masaomi Hatakeyama, Zeno R.R. Davatz','mhatakeyama@ywesee.com, zdavatz@ywesee.com')
+  p.developer('Hannes F. Wyss, Masaomi Hatakeyama, Zeno R.R. Davatz','hannes.wyss@gmail.com, mhatakeyama@ywesee.com, zdavatz@ywesee.com')
    p.remote_rdoc_dir = 'spreadsheet'
    p.extra_deps << ['ruby-ole', '>=1.0']
    p.email = "zdavatz@ywesee.com"
diff --git a/spreadsheet.gemspec b/spreadsheet.gemspec
index 15a3de9..6b0b6a6 100755
--- a/spreadsheet.gemspec
+++ b/spreadsheet.gemspec
@@ -1,3 +1,4 @@
+$c -resize 1024x1024 -extent 2048x1536 "$SCREENDIR/iPadLandscape2048x1536@2x.png2
 # require File.join(File.dirname(__FILE__), 'lib', 'spreadsheet')
 lib = File.expand_path('../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
@@ -9,8 +10,8 @@ spec = Gem::Specification.new do |spec|
    spec.homepage    = "https://github.com/zdavatz/spreadsheet"
    spec.summary     = "The Spreadsheet Library is designed to read and write Spreadsheet Documents"
    spec.description = "As of version 0.6.0, only Microsoft Excel compatible spreadsheets are supported"
-   spec.author      = "Masaomi Hatakeyama, Zeno R.R. Davatz"
-   spec.email       = "mhatakeyama@ywesee.com, zdavatz@ywesee.com"
+   spec.author      = "Hannes F. Wyss, Masaomi Hatakeyama, Zeno R.R. Davatz"
+   spec.email       = "hannes.wyss@gmail.com, mhatakeyama@ywesee.com, zdavatz@ywesee.com"
    spec.platform    = Gem::Platform::RUBY
    spec.license     = "GPL-3.0"
    spec.files       = Dir.glob("{bin,lib,test}/**/*") + Dir.glob("*.txt")