div.photo_intro {
    margin: 1em 0;
}

img.photo {
    display: inline-block;
    width: 13em; 
    vertical-align: bottom;
    margin-right: 0.5em;
    margin-bottom: 0.4em;
}

div.intro {
    display: inline-block;
    vertical-align: bottom;
    margin-top: 0.4em;
    margin-bottom: 0.4em;
}

span.intro_name {
    font-weight: bold;
    font-size: large;
}

span.intro_affiliation {
    font-weight: bold;
}

img.book {
    height: 12.5em;
    margin-right: 1em;
}